Aïr

[ah-eer]

noun

a region in N Niger, in the Sahara: low massif and oases. About 30,000 sq. mi. (77,700 sq. km).

Also called Asben.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019


British Dictionary definitions for aïr

Aïr

noun

a mountainous region of N central Niger, in the Sahara, rising to 1500 m (5000 ft): a former native kingdom. Area: about 77 700 sq km (30 000 sq miles)Also called: Azbine, Asben

AIR

abbreviation for

All India Radio

air

noun

the mixture of gases that forms the earth's atmosphere. At sea level dry air has a density of 1.226 kilograms per cubic metre and consists of 78.08 per cent nitrogen, 20.95 per cent oxygen, 0.93 per cent argon, 0.03 per cent carbon dioxide, with smaller quantities of ozone and inert gases; water vapour varies between 0 and 4 per cent and in industrial areas sulphur gases may be present as pollutants
the space above and around the earth; skyRelated adjective: aerial
breeze; slight wind
public expression; utteranceto give air to one's complaints
a distinctive qualityan air of mystery
a person's distinctive appearance, manner, or bearing
music
  1. a simple tune for either vocal or instrumental performance
  2. another word for aria
transportation in aircraft (esp in the phrase by air)
Australian informal the height gained when getting airborne in surfing, snowboarding, etc
clear the air to rid a situation of tension or discord by settling misunderstandings, etc
give someone the air slang to reject or dismiss someone
in the air
  1. in circulation; current
  2. in the process of being decided; unsettled
into thin air leaving no trace behind
off the air not in the act of broadcasting or being broadcast on radio or television
on the air in the act of broadcasting or being broadcast on radio or television
out of thin air or from thin air suddenly and unexpectedly
take the air to go out of doors, as for a short walk or ride
up in the air
  1. uncertain
  2. informalagitated or excited
walk on air to feel elated or exhilarated
(modifier) astrology of or relating to a group of three signs of the zodiac, Gemini, Libra, and AquariusCompare earth (def. 10), fire (def. 24), water (def. 12)

verb

to expose or be exposed to the air so as to cool or freshen; ventilateto air a room
to expose or be exposed to warm or heated air so as to dryto air linen
(tr) to make known publicly; display; publicizeto air one's opinions
(intr) (of a television or radio programme) to be broadcast
See also airs

Word Origin for air

C13: via Old French and Latin from Greek aēr the lower atmosphere

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for aïr
Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for aïr

air

[âr]

n.

A colorless, odorless, tasteless, gaseous mixture, approximately 78 percent nitrogen and approximately 21 percent oxygen with lesser amounts of argon, carbon dioxide, hydrogen, neon, helium, and other gases.
This mixture, with varying amounts of moisture and particulate matter, enveloping Earth; the atmosphere.
Any of various respiratory gases. No longer in technical use.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Science definitions for aïr

air

[âr]

The colorless, odorless, tasteless mixture of gases that surrounds the Earth. Air consists of about 78 percent nitrogen and 21 percent oxygen, with the remaining part made up mainly of argon, carbon dioxide, neon, helium, methane, and krypton in decreasing order of volume. Air also contains varying amounts of water vapor, particulate matter such as dust and soot, and chemical pollutants.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Idioms and Phrases with aïr

air

In addition to the idiom beginning with air

  • air one's grievances

also see:

  • breath of fresh air
  • castles in the air
  • clear the air
  • give someone the air
  • hot air
  • in the air
  • into (out of) thin air
  • nose in the air
  • off the air
  • put on airs
  • up in the air
  • walk on air
  • wash (air) one's dirty linen
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.