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“air”
air
1. A mixture of nitrogen, oxygen, argon, carbon dioxide, and other gases that make up the earth's atmosphere.
In ancient times, the name used for a gas.
2. The mixture of gases that make up the earth's atmosphere.The principal gases that compose dry air are: Nitrogen, 78.09%; Oxygen, 20.95%; Argon, 0.93%; and Carbon Dioxide, 0.033%.
Another important constituent of air is water vapor which varies from 0% to about 4%.
This entry is located in the following units:
Meteorology or Weather Terms +
(page 1)
Science and Technology Words from the More Recent Past to the Present, Part 2
(page 1)
Word Entries containing the term:
“air”
air mass
A body of air in the lower atmosphere, which is more or less at a constant temperature and moisture content, and is often bounded by cold and warm fronts.
This entry is located in the following unit:
Meteorology or Weather Terms +
(page 1)
air mass or air mass ratio
Equal to the cosine of the zenith angle or that angle from directly overhead to a line intersecting the sun.
The air mass is an indication of the length of the path solar radiation travels through the atmosphere. An air mass of 1.0 means the sun is directly overhead and the radiation travels through one atmosphere (thickness).
This entry is located in the following unit:
Photovoltaic Conversion Efficiency Terms +
(page 1)
air pressure
Measured with a barometer, the force per unit area that the air exerts on any surface; it results from the collision of air molecules.
This entry is located in the following unit:
Meteorology or Weather Terms +
(page 1)
air quotes
A gesture made by raising and flexing the index and middle fingers of both hands which is used as quotation marks used to call special attention to a spoken word or expression.
air sac
The thin-walled expansion of the tracheal system of an arthropod, which
increases or strengthens the inspiration and the exhalation of air.
Air sacs also give buoyancy to aquatic insects, and in dragonflies, it provides insulation around the thoracic wing muscles.
This entry is located in the following unit:
Insects, General Applicable Terms
(page 1)
air-kiss
To make a kissing gesture at someone without touching.
compressed air
Air that is held at a pressure higher than standard atmospheric pressure, thereby increasing its density.
"In 1695, Guillaume Amontons, designed a thermometer using a glass tube filled with compressed air and then topped off with a level of mercury."
This entry is located in the following unit:
Thermometer and Temperature Scales
(page 1)
metal air fuel, metal fuel cell, metal fuel technology
A fuel cell technology that uses metals; such as, zinc, aluminum, and magnesium in place of hydrogen to provide electrical power in order to overcome certain disadvantages that are associated with hydrogen as a fuel.
This entry is located in the following unit:
Metallurgy Topics or Metal Technology +
(page 1)
rifle (s), rifles (pl); air rifle, air rifles; assault rifle, assault rifles (nouns)
1. A rifle is a firearm with a long rifled bore (spiral grooves), designed to fire bullets from the shoulder: "Hunters around the world use rifles to kill various wild-game animals to be used for food or for a so-called sport."
"The girl's father took his rifle out to go hunting for deer while her young brother took his air rifle, which uses air pressure to shoot small pellets, to shoot at some cans lined up on the fence."
2. An assault rifle is a weapon that can shoot many bullets quickly and which is designed for use by the military: "A unit of soldiers were armed with rifles.""Today, the soldiers were having target practice with their assault rifles or assault weapons."
This entry is located in the following unit:
English Words in Action, Group R +
(page 2)
Word Entries at Word Info:
“air”
air (AIR)
1. The air we breathe: Air is composed primarily of oxygen, nitrogen, carbon dioxide, and water vapor."
2. Atmosphere, stratosphere, sky: "The rocket blasted off into the air."
3. Wind, breeze, draft, air current, air flow, waft: "Cold air blew in through the open window."
4. Atmosphere, aura, ambience; quality, manner, style, look: "An air of mystery pervaded the abandoned house. She has a certain air of sadness all the time."
5. Airs, affectations, pretensions, artificial manners; haughtiness, arrogance: "Don’t put on airs with me."
6. Tune, ditty, melody, song, strain; ballad, carol: "The children sang a delightful air."
7. Ventilate, expose to air, aerate: "The blankets were aired outside on the line."
8. Voice, express, declare, utter; proclaim, make public, reveal, disclose, expose: "The presidential candidate aired his views on television."
2. Atmosphere, stratosphere, sky: "The rocket blasted off into the air."
3. Wind, breeze, draft, air current, air flow, waft: "Cold air blew in through the open window."
4. Atmosphere, aura, ambience; quality, manner, style, look: "An air of mystery pervaded the abandoned house. She has a certain air of sadness all the time."
5. Airs, affectations, pretensions, artificial manners; haughtiness, arrogance: "Don’t put on airs with me."
6. Tune, ditty, melody, song, strain; ballad, carol: "The children sang a delightful air."
7. Ventilate, expose to air, aerate: "The blankets were aired outside on the line."
8. Voice, express, declare, utter; proclaim, make public, reveal, disclose, expose: "The presidential candidate aired his views on television."
air, air, ere, err, heir
air (AIR) (noun)
1. The atmosphere we breathe: "Air is composed primarily of oxygen, nitrogen, carbon dioxide, and water vapor."
2. Biosphere, stratosphere, sky: "The rocket blasted off into the air."
3. Wind, breeze, draft, current: "When Andrea Gill opened the window, cold air blew in through the open window."
2. Biosphere, stratosphere, sky: "The rocket blasted off into the air."
3. Wind, breeze, draft, current: "When Andrea Gill opened the window, cold air blew in through the open window."
air (AIR) (verb)
To place something in an open area where there is a breeze to make it cool, dry, or clean: "Leon's mother taught her children to put the blankets out on the line to air out."
ere (AIR) (preposition)
Prior to; before in time: "Douglass and Karin will have a warm fire ere nightfall and so ere long they will be comfortable."
This is an old-fashioned or a literary term.
err (ER, UR, or AIR) (verb)
1. To make a mistake, slip up, miscalculate: "Banks rarely err in figuring a checking account balance."
2. To deviate from an established moral code; to transgress, sin, misbehave: "To err is human, to forgive divine."
2. To deviate from an established moral code; to transgress, sin, misbehave: "To err is human, to forgive divine."
heir (AIR; not HAIR) (noun)
1. Someone who is legally entitled to inherit and to own an estate after the previous owner’s death; a beneficiary, an inheritor: "The millionaire’s only heir was his son, Myron."
2. A person who succeeds or is in line to succeed to a hereditary rank, title, or office: "The king did not have an heir when he died."
2. A person who succeeds or is in line to succeed to a hereditary rank, title, or office: "The king did not have an heir when he died."
An heir is someone who may be worth more financially than others and still be worthless.
Angie, the heir to the science project started to err when she wrote that ere there was air, the earth was surrounded by carbon dioxide.
This entry is located in the following unit:
Confusing Words Clarified: Group A; Homonyms, Homophones, Homographs, Synonyms, Polysemes, etc. +
(page 4)
Units at Word Info related to:
“air”
(Latin: air, wind; rapid, quick)
(Greek: air, mist, wind)
(Greek: air, wind)
(Greek: vapor, steam; air, gas; respiration)
(Greek: air, wind; breathing)
(Greek: air, wind, breath; presence of air; spirit)
(Latin: air, wind)
(Greek: windpipe or one of the two large branches of the trachea, the tube in air-breathing vertebrates that conducts air from the throat to the bronchi, strengthened by incomplete rings of cartilage)
(Greek > Latin: burn, shine, to kindle; light up; the heavens; the upper air, the sky)
(Greek: upper air, purer air [alcohol and sufuric acid]; in scientific terminology, "volatile, clean-smelling, euphoria-producing liquid composed of alcohol and sufuric acid")
(Latin: to blow, a puff of wind or air; by extension, accumulation of gas in the stomach or bowels)
(air purification in the home, business, school, and workplace)
(Greek: upraised, high up; in the air; anything raised from the ground, high, lofty; hovering in the air; hence, "heavenly body, atmospheric phenomenon")
(infectious diseases via the transmission of foul, putrid air)
(Latin: musum, "muzzle, snout"; Old French muser "to meditate, to ponder", perhaps literally "to go around with one's nose in the air" from muse "muzzle, snout")
(Greek: light, light bringer, shine; morning star; a nonmetallic chemical element that ignites when exposed to air)
(Greek: breath, wind; pertaining to air or gas; bellows, bladder, bubble; swollen; as seen in many modern scientific terms)
Word Entries at Word Info containing the term:
“air”
aeroasthenia, aerasthenia, aeroneurosis, aviators' neurasthenia, air neurosis, aviators' stomach
1. A neurosis seen in aviators, consisting of anxiety, restlessness, and variable physical complaints that appear while flying.
2. A nervous disorder of airplane pilots caused by the tension of excessive flying, characterized by abdominal pains, digestive disturbances, etc.
2. A nervous disorder of airplane pilots caused by the tension of excessive flying, characterized by abdominal pains, digestive disturbances, etc.
This entry is located in the following units:
aero-, aer-, aeri- +
(page 1)
neuro-, neuron-, neurono-, neur-, neuri-, -neuroma, -neurotic, -neurosis, -neuron, -neural, -neuria
(page 1)
-osis, -sis, -sia, -sy, -se
(page 2)
aerophyte, epiphyte, air plant
1. An aerophyte is attached to the aerial portion of another plant.
Also known as an "epiphyte", it lives on the surface of other plants but does not derive water or nourishment from them.
2. An aerophyte, or epiphyte, grows on a terrestrial plant and lacks direct contact with soil or water.They get moisture and nutrients from the air or from small pools of water that collect on the host plant. "Spanish moss" and many orchids are aerophytes, or epiphytes.
This entry is located in the following units:
aero-, aer-, aeri- +
(page 8)
phyto-, phyt-, -phyte
(page 1)
air conditioners
Machines that make it feel so very hot outside.
This entry is located in the following unit:
Dictionary with a Touch of Humor
(page 1)
air conditioners
A drone of air conditioners.
This entry is located in the following unit:
Venereal Terms: Names of Groups +
(page 1)
air dose, exposure dose
The radiation dose, expressed in roentgens, delivered at a point in free air.
This entry is located in the following unit:
dat-, dos-, dot-, dow-, don-, dit-
(page 1)
air interface protocol
The rules that govern how tags and readers communicate.
This entry is located in the following unit:
Radio Frequency Identification (RFID): Definitions
(page 1)
air-block glaucoma
Increased intraocular pressure due to interference with aqueous flow caused by a bubble of gas within the anterior chamber.
This entry is located in the following unit:
glauc-, glauco- +
(page 1)
antarctic air
An air mass that develops its characteristics over the antarctic region.
This entry is located in the following unit:
arcto-, arct- +
(page 1)
arctic air
An air mass, cold aloft and extending to great heights, whose characteristics develop mostly in winter over arctic surfaces of ice and snow.
electrostatic air cleaner, electrostatic precipitator, precipitator
An apparatus that removes dust or other finely divided particles from a gas by charging the particles inductively with an electric field, then attracting them to highly charged collector plates.
This entry is located in the following unit:
electro-, electr-, electri-
(page 82)
Health: Air Purification
The challenges of indoor air pollution.
This entry is located in the following unit:
Health: Index of Articles
(page 1)
martime polar air
An polar air that becomes unstable, possessing a higher moisture content after passing over warmer water.
This entry is located in the following unit:
mare, mari-, mar- +
(page 4)
plane flying aloft in the air above *
This entry is located in the following unit:
Pleonasms or Tautological Redundancies
(page 17)
soil atmosphere, soil air
The air occupying the pore or open spaces in soil.
This entry is located in the following units:
soil- +
(page 1)
sphero-, spher-, -sphere- +
(page 11)
solar air heater
A type of solar thermal system in which air is heated in a collector and either transferred directly to the interior space or to a storage medium.
This entry is located in the following unit:
sol-, soli-, solo- +
(page 1)
ventilation air methane (VAM)
Methane released to the atmosphere from the ventilation systems of underground coal mines; because methane is a greenhouse gas, technologies have been developed to degasify the ventilation air by means of oxidation.