The material meaning of a word

any heavy material used to stabilize a ship or airship

material used to provide a bed for animals

the natural outer covering of food (usually removed before eating)

a substance from which another substance is formed (especially by a metabolic reaction)

(nontechnical usage) a tiny piece of anything

any nuclear or chemical or biological material that can be used as a weapon of mass destruction

a small loosely aggregated mass of flocculent material suspended in or precipitated from a liquid

an abbreviation for `hazardous material’ used on warning signs

material such as sand or gravel used with cement and water to make concrete, mortar, or plaster

material suitable for manufacture or use or finishing

a material that has been or is capable of being taken up by another substance by either absorption or adsorption

a material that sorbs another substance; i.e. that has the capacity or tendency to take it up by either absorption or adsorption

a substance that exhibits diamagnetism

solid homogeneous inorganic substances occurring in nature having a definite chemical composition

material consisting of the aggregate of minerals like those making up the Earth’s crust

a substance that unites or bonds surfaces together

any substance used to seal joints or fill cracks in a porous surface

material derived from animals

any light downy material

material made by bonding together sheets of two different metals

a substance that abrades or wears down

material produced by or used in a reaction involving changes in atoms or molecules

strong lightweight material developed in the laboratory; fibers of more than one kind are bonded together chemically

a substance that readily conducts e.g. electricity and heat

a material such as glass or porcelain with negligible electrical or thermal conductivity

a substance that contaminates

a small discrete mass of solid or liquid matter that remains individually dispersed in gas or liquid emissions (usually considered to be an atmospheric pollutant)

free microscopic particles of solid material

any of various elastic materials that resemble rubber (resumes its original shape when a deforming force is removed)

the loose soft material that makes up a large part of the land surface

a substance that is emitted or released

loose material (stone fragments and silt etc) that is worn away from rocks

any materials unused and rejected as worthless or unwanted

a slender and greatly elongated substance capable of being spun into yarn

any material that fills a space or container

a lightweight material in cellular form; made by introducing gas bubbles during manufacture

material that has been homogenized (especially tissue that has been ground and mixed)

material that is high in humic acids

material with which something is impregnated

a material made of cellulose pulp derived mainly from wood or rags or certain grasses

any material used especially to protect something

any material used for its color

material derived from plants

material that is radioactive

any material used to thicken

a black or colored powder used in a printer to develop a xerographic image

a material having the property of admitting light diffusely; a partly transparent material

the material removed by a cut made underneath

a substance added to soaps or detergents to increase their cleansing action

a white cheeselike protective material that covers the skin of a fetus

a small mass of soft material

the light horny waterproof structure forming the external covering of birds

tuft of strong filaments by which e.g. a mussel makes itself fast to a fixed surface

a stiff fiber (coarse hair or filament); natural or synthetic

an insulating liner in an opening through which conductors pass

one of a set of small pieces of stiff paper marked in various ways and used for playing games or for telling fortunes

small pieces or streamers of colored paper that are thrown around on festive occasions (as at a wedding)

a chemical substance that undergoes a rapid chemical change (with the production of gas) on being heated or struck

a very thin fiber made of glass that functions as a waveguide for light; used in bundles to transmit images

a substance used as a coating to protect or decorate a surface (especially a mixture of pigment suspended in a liquid); dries to form a hard coating

a threadlike extension of a nerve cell

(biology) tiny fibers that are seen in cell division; the fibers radiate from two poles and meet at the equator in the middle

paper used for writing or printing

the rind of bacon

the rind of a fruit or vegetable

the rind of a cheese

a relatively small granular particle of a substance

material resulting from the process of grinding

microscopic particles in the interplanetary medium

accumulated earth and stones deposited by a glacier

the dried fibrous part of the fruit of a plant of the genus Luffa; used as a washing sponge or strainer

hard fiber used in making coarse twine; from Philippine agave plants

coarse leaf fiber from palmyra palms used in making brushes and brooms

stiff coarse fiber from the outer husk of a coconut

fiber of a raffia palm used as light cordage and in making hats and baskets

worthless or dangerous material that should be removed

a light resilient foam of polystyrene

the raw material that is required for some industrial process

a material having capacity or tendency to absorb another substance

a material that has been or is capable of being absorbed

a material having capacity or tendency to adsorb another substance

a material that has been or is capable of being adsorbed

a ductile malleable reddish-brown corrosion-resistant diamagnetic metallic element; occurs in various minerals but is the only metal that occurs abundantly in large masses; used as an electrical and thermal conductor

a soft white precious univalent metallic element having the highest electrical and thermal conductivity of any metal; occurs in argentite and in free form; used in coins and jewelry and tableware and photography

a waxy mineral that is a mixture of hydrocarbons and occurs in association with petroleum; some varieties are used in making ceresin and candles

a white or grey mineral consisting of lithium aluminum phosphate; a source of lithium

a mineral or mineral variety belonging to the amphibole group

a group of minerals with similar crystal structures containing a silicate chain and combinations of chiefly sodium and calcium and magnesium and iron and aluminum

a common complex mineral consisting of calcium fluoride phosphate or calcium chloride phosphate; a source of phosphorus

a mineral form of crystalline calcium carbonate; dimorphic with calcite

a valuable silver ore consisting of silver sulfide (Ag2S)

a rare steel-grey mineral consisting of silver and germanium and sulfur

a silver-white or grey ore of arsenic

a dark bituminous substance found in natural beds and as residue from petroleum distillation; consists mainly of hydrocarbons

dark-green to black glassy mineral of the pyroxene group containing large amounts of aluminum and iron and magnesium

a mineral consisting of zirconium oxide

a yellow-to-brown mineral that is a source of rare earth elements

a clay-like mineral; the chief ore of aluminum; composed of aluminum oxides and aluminum hydroxides; used as an abrasive and catalyst

the chief source of beryllium; colored transparent varieties are valued as gems

an ore of boron consisting of hydrated sodium borate; used as a flux or cleansing agent

a mineral consisting of sulfides of copper and iron that is found in copper deposits

a white or reddish mineral consisting of hydrous chlorides of potassium and magnesium; used as a fertilizer and as a source of potassium and magnesium

a hard heavy dark mineral that is the chief source of tin

a mineral consisting of strontium sulphate

a mineral consisting of lead carbonate that is an important source of lead

a heavy grey mineral that is an ore of copper

a yellow copper ore (CuFeS2) made up of copper and iron sulfide

a generally green or black mineral; it occurs as a constituent of many rocks typically in the form of a flat crystal

a brownish-black mineral; the major source of chromium

a rare hard yellow green mineral consisting of beryllium aluminate in crystal form; used as a gemstone

a heavy reddish mineral consisting of mercuric sulfide; the chief source of mercury

a rare silvery-white mineral; important ore of cobalt

naturally occurring crystalline sodium chloride

a valuable black mineral combining niobite and tantalite; used in cell phones and computer chips

a blue mineral of magnesium and iron and aluminum and silicon and oxygen; often used as a gemstone

very hard mineral used as an abrasive

a white mineral consisting of silica; found in volcanic rocks

a rare lead chromite mineral that forms bright orange crystals

a white mineral consisting of fluorides of aluminum and sodium; a source of fluorine

a mineral consisting of cuprous oxide that is a source of copper

(biochemistry) a waxy transparent material that occurs in the cuticle of plants and consists of highly polymerized esters of fatty acids

a light colored mineral consisting of calcium magnesium carbonate; a source of magnesium; used as a ceramic and as fertilizer

a colored mineral used as a pigment

a hard grey-black mineral consisting of corundum and either hematite or magnetite; used as an abrasive (especially as a coating on paper)

a reddish mineral consisting of hydrated cobalt arsenate in monoclinic crystalline form and used in coloring glass; usually found in veins bearing cobalt and arsenic

a dark mineral consisting of oxides of yttrium and erbium and tantalum and other minerals

a soft mineral (calcium fluoride) that is fluorescent in ultraviolet light; chief source of fluorine

a mineral that is a source of rare earths; consists of silicates of iron and beryllium and cerium and yttrium and erbium

soft blue-grey mineral; lead sulfide; a major source of lead

any of a group of hard glassy minerals (silicates of various metals) used as gemstones and as an abrasive

a green mineral consisting of hydrated nickel magnesium silicate; a source of nickel

a rare reddish-grey mineral consisting of a copper iron germanium sulfide

white crystalline mineral consisting of aluminum hydroxide; a constituent of bauxite and a source of alumina

a green mineral consisting of hydrated silicate of potassium or iron or magnesium or aluminum; found in greensand

ore of cadmium; a rare yellowish mineral consisting of cadmium sulphide in crystalline form

a common white or colorless mineral (hydrated calcium sulphate) used to make cements and plasters (especially plaster of Paris)

a mineral consisting of manganese tetroxide; a source of manganese

a white or colorless mineral (BaSO4); the main source of barium

a white mineral; a common ore of zinc

a weakly magnetic black mineral found in metamorphic and plutonic rocks; an iron titanium oxide in crystalline form; a source of titanium

a hard green mineral consisting of sodium aluminum silicate in monoclinic crystalline form; a source of jade; found principally in Burma

a white mineral consisting of magnesium sulphate and potassium chloride; a source of potassium salts; used as a fertilizer

a mineral consisting of aluminum silicate; main source of kaolin

a light soft mineral consisting of hydrated sodium borate in crystalline form; an important source of boron

a white mineral consisting of hydrous magnesium sulfate often found in salt mines

a grey or greenish-blue mineral consisting of aluminum silicate in crystalline form; occurs in metaphoric rock, used as a refractory

a mineral consisting of potassium magnesium double sulphate; used as a fertilizer

a white mineral consisting of magnesium carbonate; a source of magnesium

a green or blue mineral used as an ore of copper and for making ornamental objects

a thick black tar intermediate between petroleum and asphalt

a black mineral consisting of basic manganese oxide; a source of manganese

a white clayey mineral

any of various minerals consisting of hydrous silicates of aluminum or potassium etc. that crystallize in forms that allow perfect cleavage into very thin leaves; used as dielectrics because of their resistance to electricity

a yellow mineral consisting of nickel sulfide; a minor source of nickel

a mineral resembling graphite that is valued as the chief source of molybdenum and its compounds

a reddish-brown mineral containing rare earth metals; an important source of thorium and cerium

a whitish mineral consisting of sodium aluminum silicate or potassium aluminum silicate in crystalline form; used in the manufacture of ceramics and enamels

an igneous rock consisting of nepheline and pyroxene

a black mineral that is an ore of niobium and tantalum

the mineral form of calcium nitrate

a mineral consisting of magnesium iron silicate; a source of magnesium

rare green to black mineral consisting of hydrated copper arsenate that is found in copper deposits

a translucent mineral consisting of hydrated silica of variable color; some varieties are used as gemstones

a mineral that contains metal that is valuable enough to be mined

a yellow mineral occurring in conjunction with realgar; an ore of arsenic

a hard and corrosion resistant mineral that is a natural alloy of osmium and iridium (usually containing small amounts of rhodium and platinum); used in needles and pen nibs etc.

partially carbonized vegetable matter saturated with water; can be used as a fuel when dried

a mineral (iron and nickel sulphide) that is the chief ore of nickel

a white solid mineral that occurs naturally as periclase; a source of magnesium

grey or green or brown mineral similar to mica and containing aluminum and potassium sulphates

a rare mineral that is an important source of cesium

a mineral consisting of hydrated basic oxide of manganese and barium; a source of manganese

a common mineral (iron disulfide) that has a pale yellow color

a mineral consisting of manganese dioxide; an important source of manganese

a mineral consisting of lead chloride and phosphate; a minor source of lead

a white or greenish aluminum silicate mineral (resembles talc)

any of a group of crystalline silicate mineral common in igneous and metamorphic rocks

a brownish iron sulfide mineral (FeS) having weak magnetic properties

a hard glossy mineral consisting of silicon dioxide in crystal form; present in most rocks (especially sandstone and granite); yellow sand is quartz with iron oxide impurities

hard metamorphic rock consisting essentially of interlocking quartz crystals

a chemical substance that is present at the start of a chemical reaction

a rare soft orange mineral consisting of arsenic sulphide; an important ore of arsenic

clay whose redness results from iron oxide

a mineral consisting of manganese carbonate; a source of manganese

a pink or red mineral consisting of crystalline manganese silicate; used as an ornamental stone

broken rock used for repairing or making roads

rock formed from consolidated clay sediments

the granitelike rocks that form the outermost layer of the earth’s crust; rich in silicon and aluminum

rock that form the continuous lower layer of the earth’s crust; rich in silicon and magnesium

rock altered by pressure and heat

rock fragments and pebbles

nitrate-bearing rock or gravel of the sodium nitrate deposits of Chile and Peru

(geology) sediment in which flat pebbles are uniformly tilted in the same direction

a porous rock formed on the surface of some lavas

a product made from animal material

a sticky adhesive that is smeared on small branches to capture small birds

an adhesive solution made of gum and ether and used to attach false hair to skin

something used to bind separate particles together or facilitate adhesion to a surface

something that hardens to act as adhesive material

an adhesive made from water and flour or starch; used on paper and paperboard

an adhesive made by dissolving unvulcanized rubber in a solvent like benzene or naphtha

a kind of sealing material that is used to form a hard coating on a porous surface (as a coat of paint or varnish used to size a surface)

used for filling cracks or holes in a surface

a substance for packing a joint or coating a porous surface to make it impervious to gas or liquid

a chemical sprayed on fruit trees to regulate their growth so the entire crop can be harvested at one time

fine-grained homogeneous rock (such as basalt) containing minerals undetectable by the naked eye

an inactive substance that is a vehicle for a radioactive tracer of the same substance and that assists in its recovery after some chemical reaction

any oil obtained from animal substances

a calcareous material harder and denser than bone that comprises the bulk of a tooth

the porous calcified substance from which bones are made

the material (mostly keratin) that covers the horns of ungulates and forms hooves and claws and nails

the material that forms the hard outer covering of many animals

a high-quality paper (usually having a filler of china clay)

a light fibrous material used as an insulator

any chemical agent that destroys bacteria

absorbent paper used to dry ink

sensitized paper used to make blueprints

any fat obtained from animals

a thin paper coated on one side with a dark waxy substance (often containing carbon); used to transfer characters from the original to an under sheet of paper

compounds composed of 1 carbon and 4 halogen molecules

an abrasive composed of silicon carbide crystals

a stiff moderately thick paper

paper for making cartridge cases

a minor chemical constituent that gives a wine or liquor its distinctive character

a mass of woven steel fibers used as an abrasive

any of various materials used by dentists to fill cavities in teeth

a small piece of paper that is supposed to be removed when a hole is punched in a card or paper tape

material consisting of seed coverings and small pieces of stem or leaves that have been separated from the seeds

a microscopic particle of triglycerides produced in the intestines during digestion; in the bloodstream they release their fatty acids into the blood

fine-grained rock consisting of compacted clay particles

intermediate between peat and bituminous coal

(chemistry) a substance formed by chemical union of two or more elements or ingredients in definite proportion by weight

paper folded to permit continuous printing controlled by a computer

paper suitable for drawing and making cutouts

a substance as germanium or silicon whose electrical conductivity is intermediate between that of a metal and an insulator; its conductivity increases with temperature and in the presence of impurities

glass fibers spun and massed into bundles resembling wool

outer bark of the cork oak; used for stoppers for bottles etc.

paper with a crinkled texture; usually colored and used for decorations

gases ejected from an engine as waste products

a kind of sedimentary rock resembling marble or limestone but rich in magnesium carbonate

paper that is specially prepared for use in drafting

fine powdery material such as dry earth or pollen that can be blown about in the air

a light soil consisting of siliceous diatom remains and often used as a filtering material

a deposit of clay and disintegrating rock that is found in its original place

the part of the earth’s surface consisting of humus and disintegrated rock

a chemical substance used to improve the structure of the soil and increase its porosity

cloth covered with powdered emery

stiff paper coated with powdered emery or sand

a mixture of emery dust and a binder; can be molded into grindstones

a substance that oozes out from plant pores

a substance that transudes

a foul-smelling outflow or vapor (especially a gaseous waste)

a watery discharge from the mucous membranes (especially from the eyes or nose)

discharge of secretions from the cervical glands of the vagina; normally clear or white

waste matter (as urine or sweat but especially feces) discharged from the body

any substance considered disgustingly foul or unpleasant

waste matter carried away in sewers or drains

water mixed with waste matter

food that is discarded (as from a kitchen)

waste matter that contaminates the water or air or soil

worthless material that is to be disposed of

(usually plural) waste water from a kitchen or bathroom or chamber pot that has to be emptied by hand

poisonous waste materials; can cause injury (especially by chemical means)

any substance such as manure or a mixture of nitrates used to make soil more fertile

a substance added to molten metals to bond with impurities that can then be readily removed

a composite rock made up of particles of varying size

a tough piece of fiber in vegetables, meat, or other food (especially the tough fibers connecting the two halves of a bean pod)

a very slender natural or synthetic fiber

stone that occurs naturally in fields; often used as building material

a porous unsized paper used for filtering

a tiny dark speck made by the excrement of a fly

paper that is poisoned or coated with a sticky substance to kill flies

spongy rubber; made by introducing air bubbles before vulcanization and used for cushioning or upholstery

a chemical substance used in fumigation

paper that has lines to permit drawing graphs

paper that is impermeable to oil or grease; used in cooking

a granitic rock composed of quartz and mica

a chemical agent that destroys plants or inhibits their growth

a glassy translucent substance that occurs in hyaline cartilage or in certain skin conditions

a tiny particle of material that can be added to a product to indicate the source of manufacture

(chemistry) a substance that changes color to indicate the presence of some ion or substance; can be used to indicate the completion of a chemical reaction or (in medicine) to test for a particular reaction

a substance formed during a chemical process before the desired product is obtained

a component of a mixture that has been separated by a fractional process

a chemical used to kill larval pests

a soft porous rock consisting of calcium carbonate deposited from springs rich in lime

molten rock in the earth’s crust

rock formed by the solidification of molten magma

a high-quality paper made of linen fibers or with a linen finish

a sedimentary rock consisting mainly of calcium that was deposited by the remains of marine animals

fine ravellings of cotton or linen fibers

unsized paper treated with litmus for use as an acid-base indicator

a lightweight paper used with carbon paper to make multiple copies

a strong paper or thin cardboard with a smooth light brown finish made from e.g. Manila hemp

a hard crystalline metamorphic rock that takes a high polish; used for sculpture and as building material

(geology) amass of fine-grained rock in which fossils, crystals, or gems are embedded

a substance used to treat leather or other materials before dyeing; aids in dyeing process

paper with lines appropriate for writing music

fiber created from natural materials or by chemical processes

fiber derived from plants or animals

cheap paper made from wood pulp and used for printing newspapers

loose hemp or jute fiber obtained by unravelling old ropes; when impregnated with tar it was used to caulk seams and pack joints in wooden ships

paper that has been made translucent and waterproof by soaking in oil

a thin tough opaque paper used in fine books

a number of sheets of paper fastened together along one edge

a long narrow strip of paper

absorbent paper used as toweling

a substance made from paper pulp that can be molded when wet and painted when dry

paper made from the papyrus plant by cutting it in strips and pressing it flat; used by ancient Egyptians and Greeks and Romans

a superior paper resembling sheepskin

a thin delicate material resembling paper; made from the rice-paper tree

a heavy paper impregnated with tar and used as part of a roof for waterproofing

a continuous thin ribbon of paper on which stock quotes are written

thin curly wood shavings used for packing or stuffing

a chemical used to kill pests (as rodents or insects)

a chemical substance obtained from plants that is biologically active but not nutritive

a usually soluble substance for staining or coloring e.g. fabrics or hair

a substance that colors metals

a reddish coloring material found in some algae

dry coloring material (especially a powder to be mixed with a liquid to produce paint, etc.)

any substance whose presence in plant or animal tissues produces a characteristic color

a product made from plant material

a chemical substance formed as a result of a chemical reaction

useless radioactive materials that are left after some laboratory or commercial process is completed

a bit of fiber that has become separated from woven fabric

a chemical that is added to a photographic developer in order to retard development and reduce the amount of fog on a film

a mineral consisting of titanium dioxide in crystalline form; occurs in metamorphic and plutonic rocks and is a major source of titanium

a complex black mineral occurring in pegmatites

a rare light blue or green mineral; consists of aluminum and magnesium silicate and occurs as small grains in some metamorphic rocks

a mineral used as an ore of tungsten

shale that is rich in humic acids

a grey mineral consisting of cobalt arsenide and nickel; an important source of cobalt and nickel

a vitreous mineral consisting of sodium aluminum silicate and sodium chloride in crystalline form; occurs in igneous rocks

a sodium salt of pyrophosphoric acid used as a builder in soaps and detergents

a sodium salt of triphosphoric acid used as a builder in soaps and detergents

any of various nonmetallic minerals (calcite or feldspar) that are light in color and transparent or translucent and cleavable

a hard glassy mineral consisting of an oxide of magnesium and aluminum; occurs in various colors that are used as gemstones

a pyroxene mineral consisting of lithium aluminum silicate; a source of lithium

a chemical that is added to a solution or mixture or suspension to maintain it in a stable or unchanging state

(microscopy) a dye or other coloring material that is used in microscopy to make structures visible

a dark grey mineral with a metallic luster that is a source of tin

a substance added to another to make it less hard

a soft grey mineral; the chief ore of antimony

a mineral consisting of strontium carbonate

a waxy fat obtained from certain plants (e.g. bayberry) and used as tallow

a silver-white mineral consisting of silver gold telluride; a source of gold in Australia and America

a mineral consisting of native potassium chloride; an important ore of potassium that is found in sedimentary beds

a fine grained mineral having a soft soapy feel and consisting of hydrated magnesium silicate; used in a variety of products including talcum powder

a mineral consisting of tantalum oxide of iron and manganese that occurs with niobite or in coarse granite; an ore of tantalum

a radioactive mineral consisting of thorium silicate; it is a source of thorium that is found in coarse granite

a mineral consisting of scandium yttrium silicate; a source of scandium

a soft thin (usually translucent) paper

a mineral (fluosilicate of aluminum) that occurs in crystals of various colors and is used as a gemstone

a mineral that is a complex borosilicate and hydroxide of aluminum containing iron and magnesium and calcium and lithium and sodium; it is usually black but occurs in transparent colored forms that are used as gemstones

a semitransparent paper that is used for tracing drawings

a paper that is coated with a preparation for transferring a design to another surface

a mineral form of silica

the tertiary phosphate of sodium used as a builder in soaps and detergents

a blue to grey green mineral consisting of copper aluminum phosphate

a mineral consisting of chloride and vanadate of lead; a source of vanadium

any of a group of yellow or brown hydrous silicate minerals having a micaceous structure

a green or yellow or brown mineral consisting of a hydrated silicate; it occurs as crystals in limestone and is used a gemstone

a decorative paper for the walls of rooms

paper discarded after use

paper that has been waterproofed by treatment with wax or paraffin

the hard fibrous lignified substance under the bark of trees

a mineral consisting of iron and manganese tungstate in crystalline form; the principal ore of tungsten; found in quartz veins associated with granitic rocks

a white or greyish mineral typically found in metamorphic limestone; a silicate of calcium

a tough paper used for wrapping

paper material made into thin sheets that are sized to take ink; used for writing correspondence and manuscripts

a yellow to orange or brown mineral used as a molybdenum ore

a brownish-black mineral consisting of zinc sulfide

a brown-to-yellow mineral that is a phosphate of yttrium in crystalline form

any of a family of glassy minerals analogous to feldspar containing hydrated aluminum silicates of calcium or sodium or potassium; formed in cavities in lava flows and in plutonic rocks

an ore that is the chief source of zinc; consists largely of zinc sulfide in crystalline form

a steel grey metallic mineral (a sulphide of lead and antimony)

a common mineral occurring in small crystals; chief source of zirconium; used as a refractory when opaque and as a gem when transparent