What does the Greek word Aer mean?
Definition: Aer- or Aero- It comes from the Greek aer meaning air or referring to the lower atmosphere.
What is the root word for air?
Atmo-
What does the word Air mean?
: the invisible mixture of gases (such as nitrogen and oxygen) that surrounds the Earth and that people and animals breathe. : the space or sky that is filled with air.
Where did the word air come from?
Abstract. The English and French word “air” is derived from the Latin aer, which comes from the Greek alpha eta rho.
What is the full meaning of air?
All India Radio
What’s another word for air?
What is another word for air?
breeze | wind |
---|---|
ventilation | breath of air |
gust of air | blast of air |
current of air | flurry of air |
puff of wind | waft of air |
How do you describe air?
Here are some adjectives for air: horizontal misty, palpable brown, breath-real, deep breath-real, stale warm, nitrous and common, serious contemplative, fresh nitrous, grateful fresh, ever-present enchanting, dry pure, deep and sleepy, keen pure, pure frosty, open and fresh, properly thick and fragrant, properly thick …
What is another name for wind?
What is another word for wind?
breeze | air |
---|---|
tempest | typhoon |
wafting | whiff |
whirlwind | whisk |
squall | air current |
What is another word for air resistance?
Here on Earth, we tend to take air resistance (aka. “drag”) for granted.
What do you mean by air resistance?
Air resistance is a type of friction between air and another material. For example, when an aeroplane flies through the air, air particles hit the aeroplane making it more difficult for it to move through the air. It’s the same for an object moving through water.
What is another word for resistance?
What is another word for resistance?
defiance | fight |
---|---|
counteraction | hindrance |
impediment | intransigence |
rebuff | blocking |
friction | impedance |
What is the relationship between surface area and air resistance?
The greater the cross-sectional area of an object, the greater the amount of air resistance it encounters since it collides with more air molecules. When a falling object has a large mass, it weighs more and will encounter a greater downward force of gravity.
What causes air resistance?
What causes air resistance? Also known as ‘drag,’ air resistance is a force caused by air. The air particles hit the front of an object, causing it to slow down. The greater the surface area, the greater the number of air particles hit the object and the greater the overall resistance.
What increases air resistance?
Air resistance depends on velocity, area, and shape of the object going through the air. Altitude, temperature, and humidity change air density and, consequently, its resistance. The higher the speed and the bigger the area, the higher the resistance.
Is friction the same as air resistance?
Friction is a force, the resistance of motion when one object rubs against another. Air resistance occurs between the surface of a falling object and the air that surrounds it and it also works to slow the rate at which the object falls.
What is bad about friction?
Friction manifests as heat energy generally and sometimes as noise. When objects are moving against each other, there is a generation of kinetic energy. Friction causes this kinetic energy to change into thermal energy. The biggest disadvantage of friction is wear and tear that happens as a result of friction.
What is friction in the air called?
Air friction acts between the object and the air through which it is moving. It is also called drag. This force depends upon the object’s shape, material, speed with which it is moving and the viscosity of the fluid. Viscosity is the measure of the resistance of the air to flow and it differs from one density another.
Does air cause friction?
The third force, which factors into wind’s speed and direction is friction. Even though air is a fluid, the air molecules still rub across the surface of the Earth. Air is also channeled and diverted by buildings, trees, and hills. All these effects cause friction, a rubbing of the air molecules across the surface.
Is friction good or bad?
Friction can slow things down and stop stationary things from moving. In a frictionless world, more objects would be sliding about, clothes and shoes would be difficult to keep on and it would be very difficult for people or cars to get moving or change direction.
Which has greatest friction?
There are four types of friction: static, sliding, rolling, and fluid friction. Static, sliding, and rolling friction occur between solid surfaces. Static friction is strongest, followed by sliding friction, and then rolling friction, which is weakest.
What does air friction depend on?
Even in gases there are circumstances where the frictional resistance is approximately proportional to the velocity – such as the motion of tiny dust particles through the air. More commonly, air friction has terms proportional to the square or even higher powers of the velocity.
What are three factors that increase friction?
Friction is a resistive force, which comes into play when there is a relative motion between two bodies in contact. The frictional force between two bodies depends mainly on three factors: (I) the adhesion between body surfaces (ii) roughness of the surface (iii) deformation of bodies.
Why does a feather fall slower than a brick?
Well, it’s because the air offers much greater resistance to the falling motion of the feather than it does to the brick. The air is actually an upward force of friction, acting against gravity and slowing down the rate at which the feather falls. Air resistance causes the feather to fall more slowly.
Does water have friction?
When an object (say a boat) moves through water, there certainly is a type of friction. The layer of water near the boat at least partly moves along with the boat, and rubs against other parts of the water. This friction in liquids is different from friction between solids in an important way.
Will water reduce friction?
Water usually reduces friction between two surfaces.
Is sand can reduce friction?
Adding a small amount of water to sand can significantly reduce the sliding friction. Everyone who has been to the beach will know that dry sand doesn’t make good sandcastles—the grains slump into a puddle when the bucket is lifted.
Is there friction on ice?
When a skate moves over the surface of ice, the friction between the skate and the ice generates heat that melts the outermost layer of ice. But ice is still slippery even when you’re standing still. If you stand on ice without moving, no friction exists to generate heat, yet the ice is still slippery.
Why ice is so slippery?
It’s well understood that ice is slippery, just like water is wet. The friction on the ice causes a very thin layer of water to develop on top. That little bit of water laid over the icy surface is what causes the slipperiness. The thin layer of water reduces the friction of the surface, making it more slick.
Why can we skate on ice but not glass?
Yet, why is it you can skate on ice and not on glass? Answer: Ice melts under pressure. So, when the steel blades of the skates pressed on the ice, the ice melts.
What has no friction?
Superfluid helium
From Wikipedia, the free encyclopedia
Air is one of the four classical elements along with water, earth and fire in ancient Greek philosophy and in Western alchemy.
Greek and Roman tradition[edit]
The four humors and their qualities
According to Plato, it is associated with the octahedron; air is considered to be both hot and wet. The ancient Greeks used two words for air: aer meant the dim lower atmosphere, and aether meant the bright upper atmosphere above the clouds.[1] Plato, for instance writes that «So it is with air: there is the brightest variety which we call aether, the muddiest which we call mist and darkness, and other kinds for which we have no name….»[2] Among the early Greek Pre-Socratic philosophers, Anaximenes (mid-6th century BCE) named air as the arche.[3] A similar belief was attributed by some ancient sources to Diogenes Apolloniates (late 5th century BCE), who also linked air with intelligence and soul (psyche), but other sources claim that his arche was a substance between air and fire.[4] Aristophanes parodied such teachings in his play The Clouds by putting a prayer to air in the mouth of Socrates.
Air was one of many archai proposed by the Pre-socratics, most of whom tried to reduce all things to a single substance. However, Empedocles of Acragas (c. 495-c. 435 BCE) selected four archai for his four roots: air, fire, water, and earth. Ancient and modern opinions differ as to whether he identified air by the divine name Hera, Aidoneus or even Zeus. Empedocles’ roots became the four classical elements of Greek philosophy.[5] Plato (427–347 BCE) took over the four elements of Empedocles. In the Timaeus, his major cosmological dialogue, the Platonic solid associated with air is the octahedron which is formed from eight equilateral triangles. This places air between fire and water which Plato regarded as appropriate because it is intermediate in its mobility, sharpness, and ability to penetrate. He also said of air that its minuscule components are so smooth that one can barely feel them.[6]
Plato’s student Aristotle (384–322 BCE) developed a different explanation for the elements based on pairs of qualities. The four elements were arranged concentrically around the center of the universe to form the sublunary sphere. According to Aristotle, air is both hot and wet and occupies a place between fire and water among the elemental spheres. Aristotle definitively separated air from aether. For him, aether was an unchanging, almost divine substance that was found only in the heavens, where it formed celestial spheres.[7]
Humorism and temperaments[edit]
Humour | Season | Ages | Element | Organ | Qualities | Temperament |
Blood | spring | infancy | air | liver | moist and warm | sanguine |
Yellow bile | summer | youth | fire | gallbladder | warm and dry | choleric |
Black bile | autumn | adulthood | earth | spleen | dry and cold | melancholic |
Phlegm | winter | old age | water | brain/lungs | cold and moist | phlegmatic |
In ancient Greek medicine, each of the four humours became associated with an element. Blood was the humor identified with air, since both were hot and wet. Other things associated with air and blood in ancient and medieval medicine included the season of spring, since it increased the qualities of heat and moisture; the sanguine temperament (of a person dominated by the blood humour); hermaphrodite (combining the masculine quality of heat with the feminine quality of moisture); and the northern point of the compass.[8]
Alchemy[edit]
Alchemical symbol for air
The alchemical symbol for air is an upward-pointing triangle, bisected by a horizontal line.
Modern reception[edit]
The Hermetic Order of the Golden Dawn, founded in 1888, incorporates air and the other Greek classical elements into its teachings.[9] The elemental weapon of air is the dagger which must be painted yellow with magical names and sigils written upon it in violet.[10] Each of the elements has several associated spiritual beings. The archangel of air is Raphael, the angel is Chassan, the ruler is Aral, the king is Paralda, and the air elementals (following Paracelsus) are called sylphs.[11] Air is considerable and it is referred to the upper left point of the pentagram in the Supreme Invoking Ritual of the Pentagram.[12] Many of these associations have since spread throughout the occult community.
In the Golden Dawn and many other magical systems, each element is associated with one of the cardinal points and is placed under the care of guardian Watchtowers. The Watchtowers derive from the Enochian system of magic founded by Dee. In the Golden Dawn, they are represented by the Enochian elemental tablets.[13] Air is associated with the east, which is guarded by the First Watchtower.[14]
Air is one of the five elements that appear in most Wiccan and Pagan traditions. Wicca in particular was influenced by the Golden Dawn system of magic and Aleister Crowley’s mysticism.[15]
Parallels in non-Western traditions[edit]
Air is not one of the traditional five Chinese classical elements. Nevertheless, the ancient Chinese concept of Qi or chi is believed to be close to that of air. Qi is believed to be part of every living thing that exists, as a kind of «life force» or «spiritual energy». It is frequently translated as «energy flow», or literally as «air» or «breath». (For example, tiānqì, literally «sky breath», is the Chinese word for «weather»). The concept of qi is often reified, however no scientific evidence supports its existence.
The element air also appears as a concept in the Buddhist philosophy which has an ancient history in China.
Some Western modern occultists equate the Chinese classical element of metal with air,[16] others with wood due to the elemental association of wind and wood in the bagua.
Enlil was the god of air in ancient Sumer. Shu was the ancient Egyptian deity of air and the husband of Tefnut, goddess of moisture. He became an emblem of strength by virtue of his role in separating Nut from Geb. Shu played a primary role in the Coffin Texts, which were spells intended to help the deceased reach the realm of the afterlife safely. On the way to the sky, the spirit had to travel through the air as one spell indicates: «I have gone up in Shu, I have climbed on the sunbeams.»[17]
See also[edit]
- Atmosphere of Earth
- Sky deity
- Wind deity
Notes[edit]
- ^ W. K. C. Guthrie, A History of Greek Philosophy, vol. 1, pp. 466, 470–71.
- ^ Plato, Timaeus, ch. 27, p. 83.
- ^ Guthrie, History of Greek Philosophy, vol. 1, pp. 115–16, 120–32; Jonathan Barnes, Early Greek Philosophy, pp. 77–80.
- ^ Guthrie, vol. 2, pp. 362–81; Barnes, pp. 289–94.
- ^ Guthrie, vol. 2, pp. 138–46. Guthrie suggests that Hera is the safest identification for air.
- ^ Plato, Timaeus, chap. 22–23; Gregory Vlastos, Plato’s Universe, pp. 66–82.
- ^ G. E. R. Lloyd, Aristotle, chapters 7–8.
- ^ Londa Schiebinger, p. 162.
- ^ Israel Regardie, The Golden Dawn, pp. 154–65.
- ^ Regardie, Golden Dawn, p.322; Kraig, Modern Magick, pp. 149–53.
- ^ Regardie, Golden Dawn, p. 80.
- ^ Regardie, Golden Dawn, pp. 280–286; Kraig, Modern Magick, pp. 206–209.
- ^ Doreen Valiente, The Rebirth of Witchcraft, p. 64.
- ^ Regardie, Golden Dawn, p. 631.
- ^ Hutton, pp. 216–23; Valiente, Witchcraft for Tomorrow, p. 17.
- ^ Donald Michael Kraig, Modern Magick, p. 115.
- ^ Bob Brier, Ancient Egyptian Magic, p.128.
References[edit]
- Barnes, Jonathan. Early Greek Philosophy. London: Penguin, 1987.
- Brier, Bob. Ancient Egyptian Magic. New York: Quill, 1980.
- Guthrie, W. K. C. A History of Greek Philosophy. 6 volumes. Cambridge: Cambridge University Press, 1962–81.
- Hutton, Ronald. Triumph of the Moon: A History of Modern Pagan Witchcraft. Oxford: Oxford University Press, 1999, 2001.
- Kraig, Donald Michael. Modern Magick: Eleven Lessons in the High Magickal Arts. St. Paul: Llewellyn, 1994.
- Lloyd, G. E. R. Aristotle: The Growth and Structure of His Thought. Cambridge: Cambridge University Press, 1968.
- Plato. Timaeus and Critias. Translated by Desmond Lee. Revised edition. London: Penguin, 1977.
- Regardie, Israel. The Golden Dawn. 6th edition. St. Paul: Llewellyn, 1990.
- Schiebinger, Londa. The Mind Has No Sex? Women in the Origins of Modern Science. Cambridge: Harvard University Press, 1989.
- Valiente, Doreen. Witchcraft for Tomorrow. Custer, Wash.: Phoenix Publishing, 1978.
- Valiente, Doreen. The Rebirth of Witchcraft. Custer, Wash.: Phoenix Publishing, 1989.
- Vlastos, Gregory. Plato’s Universe. Seattle: University of Washington Press, 1975.
Further reading[edit]
- Cunningham, Scott. Earth, Air, Fire and Water: More Techniques of Natural Magic.
- Starhawk. The Spiral Dance: A Rebirth of the Ancient Religion of the Great Goddess. 3rd edition. 1999.
External links[edit]
Wikiquote has quotations related to Air.
Translations for air and their definitions
αέρας | |
1. n. (weather) air, wind | |
2. n. demeanour, demeanor, air | |
3. n. (economics) goodwill (part of the value of a business) | |
4. n. (automotive) choke | |
5. n. (colloquial) key-money |
μελωδία | |
1. n. (music) melody, tune | |
2. n. (music) carol, tune |
σκοπός | |
1. n. goal (aim, desired result) | |
2. n. guard (occupation) | |
3. n. tune, melody |
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MODERN: αέρας, ύφος
aeras, yfos
ANCIENT: αήρ ο
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a combining form meaning “air,” used in the formation of compound words: atmosphere.
What does atmo mean in Latin?
combining form. air or vapour: atmometer; atmosphere. [via New Latin from Greek atmos vapour]
What does cryo mean?
Cryo- is a combining form used like a prefix meaning “icy cold,” “frost.” It is often used in medical and scientific terms.
What words have atmo in them?
10 letter words containing atmo
- atmosphere.
- atmometers.
- atmologist.
- atmocausis.
- chatmonchy.
- atmometric.
- atmophilic.
Where does the root atmo come from?
word-forming element meaning «vapor,» from Greek atmos «vapor, steam,» from PIE *awet-mo-, from root *wet- (1) «to blow» (also «to inspire, spiritually arouse;» see wood (adj.)).
40 related questions found
What means atmo?
a combining form meaning “air,” used in the formation of compound words: atmosphere.
What is the atmo stand for?
ATMO means «According to My Opinion.»
Is atmosphere a compound word?
historical usage of atmosphere
Atmosphere has a very simple etymology: it comes from New Latin atmosphaera, a compound noun composed of Greek atmós “vapor, steam, odor” and sphaîra “ball, globe, terrestrial or planetary sphere, eyeball, boxing gloves.” Neither Greek noun has a reliable etymology.
What is atmosphere called in Greek?
Atmosphere was coined by 17th-century scientists combining the Greek words for vapor, atmos, and sphere, sphaira. The earth’s atmosphere is the air and gas surrounding our planet.
What root means vapor or gas?
vapor Add to list Share. When something that is normally liquid — like water — becomes a visible, gas-like substance floating in the air, it’s a vapor. … Mist is also a vapor, as is your frozen breath when you can see it on a cold winter day. The Latin root word is vaporem, «exhalation, steam, or heat.»
What is a cryogenic gas?
Cryogenic liquids are liquefied gases that are kept in their liquid state at very low temperatures. The word «cryogenic» means «producing, or related to, low temperatures,» and all cryogenic liquids are extremely cold. … These gases must be cooled below room temperature before an increase in pressure can liquefy them.
What does Cryosleep mean?
Cryogenic sleep, also known as suspended animation and cryosleep, refers to a deep sleep at super low temperatures. … The idea is that the low temperatures will keep vital functions intact while the rest of the body goes into a hibernation-like state.
What is electro mean?
electro- a combining form representing electric or electricity in compound words: electromagnetic. Also especially before a vowel, electr-.
Is Auto a prefix?
The Greek prefix auto- means “self.” Good examples using the prefix auto- include automotive and autopilot. An easy way to remember that the prefix auto- means “self” is through the word autobiography, or the history of a person which is written by that person her»self.»
What does bio mean in Greek?
bio- a combining form meaning “life” occurring in loanwords from Greek (biography); on this model, used in the formation of compound words (bioluminescence).
What does Hydro mean in hydrosphere?
Hydrosphere combines the Greek root hydro-, «water,» and sphere, «globe, cosmos, or space,» from the Greek sphaira, «globe or ball.»
Why did the word troposphere come from Greek word Tropo?
Our planet’s weather is largely caused by whatever happens in the troposphere, which is known by scientists for its turbulent movement. The word troposphere comes from the Greek root tropos, «a turn or change.»
What is atmosphere answer in one word?
Atmosphere is defined as the area of air and gas enveloping objects in space, like stars and planets, or the air around any location. An example of atmosphere is the ozone and other layers which make up the Earth’s sky as we see it. An example of atmosphere is the air and gases contained inside a greenhouse.
Why is it called atmosphere?
An atmosphere (from Ancient Greek ἀτμός (atmós) ‘vapour, steam’, and σφαῖρα (sphaîra) ‘sphere’) is a layer of gas or layers of gases that envelope a planet, and is held in place by the gravity of the planetary body.
What is atmosphere short answer?
Atmosphere is the thin layer of air that surrounds the earth. It is made up of various gases such as oxygen, nitrogen, carbon dioxides, dust particles and water vapour. The gravitational force of the earth holds the atmosphere around it. It protects us from harmful rays and scorching heat of the sun.
What do you know about air?
Air is mostly gas.
It’s a mixture of different gases. The air in Earth’s atmosphere is made up of approximately 78 percent nitrogen and 21 percent oxygen. Air also has small amounts of lots of other gases, too, such as carbon dioxide, neon, and hydrogen.
What is atmosphere in simple words?
Atmosphere is defined as the area of air and gas enveloping objects in space, like stars and planets, or the air around any location. An example of atmosphere is the ozone and other layers which make up the Earth’s sky as we see it. An example of atmosphere is the air and gases contained inside a greenhouse.
How much of the atmosphere is oxygen?
Earth’s atmosphere is composed of about 78 percent nitrogen, 21 percent oxygen, 0.9 percent argon, and 0.1 percent other gases. Trace amounts of carbon dioxide, methane, water vapor, and neon are some of the other gases that make up the remaining 0.1 percent.
What does geo mean in Greek?
History and Etymology for geo-
borrowed from Greek geō-, combining form of gê (Doric gâ) «earth, land, country,» perhaps contracted from gaîa «earth,» probably of pre-Greek substratal origin.
What do you mean by atmosphere pressure?
The air around you has weight, and it presses against everything it touches. That pressure is called atmospheric pressure, or air pressure. It is the force exerted on a surface by the air above it as gravity pulls it to Earth. … Meteorologists describe the atmospheric pressure by how high the mercury rises.