Also found in: Thesaurus, Medical, Legal, Encyclopedia.
Related to air-conditioning: Air-conditioning system


tr.v. air-con·di·tioned, air-con·di·tion·ing, air-con·di·tions
To subject to, provide with, or ventilate by air conditioning.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Mechanical Engineering) a system or process for controlling the temperature and sometimes the humidity and purity of the air in a house, car etc
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


() noun
1. the mixture of gases we breathe; the atmosphere. Mountain air is pure.
2. the space above the ground; the sky. Birds fly through the air.
3. appearance. The house had an air of neglect.
4. a tune. She played a simple air on the piano.
1. to expose to the air in order to dry or make more fresh etc. to air linen.
2. to make known. He loved to air his opinions.
ˈairbag noun
a safety bag in a car that protects the driver or a passenger in an accident.
ˈairily adverb
in a light-hearted manner. She airily dismissed all objections.
ˈairiness noun
ˈairing noun
a short walk etc in the open air. She took the baby for an airing.
ˈairless adjective
1. (of weather) still and windless. It was a hot, airless night.
2. (of a room etc) stuffy and without fresh air.
ˈairy adjective
1. with plenty of (fresh) air. an airy room.
2. light-hearted and not serious. an airy disregard for authority.
ˈairborne adjective
in the air or flying. We were airborne five minutes after boarding the plane; airborne germs.
ˌair-conˈditioned adjective
having air-conditioning. an air-conditioned building.
ˌair-conˈditioner noun
an apparatus providing air-conditioning.
ˌair-conˈditioning noun
a method of providing a room, building etc with air of a controlled temperature and humidity.
ˈaircraftplural ˈaircraft noun
any of several types of machine for flying in the air. Enemy aircraft have been sighted.
aircraft carrier
a ship which carries aircraft and which aircraft can use for landing and taking off.
ˈairfield noun
an area of ground (with buildings etc) where (usually military) aircraft are kept and from which they fly.
air force
the part of the armed services which uses aircraft. the army, navy and air force.
ˈair-gun noun
a gun that is worked by air under pressure.
air hostess
a young woman who looks after passengers in an aircraft.
air letter
a letter sent by airmail.
ˈairlift noun
an operation to move cargo or people, carried out by air.
ˈairline noun
(a company that owns) a regular air transport service. Which airline are you travelling by?
ˈairliner noun
a (usually large) aircraft for carrying passengers.
ˈair-lock noun
a bubble in a pipe which prevents liquid from flowing along it.
ˈairmail noun
a system of carrying mail by air. Send this parcel by airmail; (also adjective) an airmail letter.
ˈairman noun
a member of an air force.
ˈair pollution noun
Air pollution is caused by smoke, toxic gases etc.
ˈairplane noun
(American) an aeroplane.
ˈairport noun
a place where passenger aircraft arrive and depart, with buildings for customs, waiting-rooms etc.
ˈair-pump noun
a pump for forcing air in or out of something.
ˈair-raid noun
an attack by aircraft.
ˈairship noun
an aircraft that is lighter than air and can be steered etc.
ˈairtight adjective
(of a container etc) into or through which air cannot pass. an airtight seal on a bottle.
ˈairway noun
a regular course followed by aircraft.
on the air
broadcasting (regularly) on radio or television.
put on airs / give oneself airs
to behave as if one is better or more important than others. She gives herself such airs that everyone dislikes her.
Kernerman English Multilingual Dictionary © 2006-2013 K Dictionaries Ltd.
References in periodicals archive ?
This paper considers the regulation potential of the air-conditioning load which coordinates with the voltage adjustment ability of PV itself and puts forward a voltage control strategy for the distribution network of coordinated optimization of photovoltaic and air-conditioning loads.
Sitting in the PE office on a particularly hot summer's day, we turn with relief to the respite of air-conditioning. It is a technology that is rarely relied on heavily in everyday life in Britain However, for those living in much hotter climes, the invention has provided more than relief from mild discomfort--it has saved lives, and even spurred on a cultural and demographic change.
The Haier Super Match central air-conditioning is in full compliance with energy saving standards of developed countries and regions such as Europe, America and Australia.
JINGYA specializes in product development and research, technological consultation, systematic design and integration, project contracting and installation regarding filtration, purifying, adjusting and conveyance of air and produces the following: Dust-filtering Equipment, Central Air-conditioning and Chiller, Industrial Air-conditioning Equipment
However, as the controller of air-conditioning system has long time constant, multivariable, and high control complexity by interaction between parameters, it is thus difficult to obtain accurate mathematical model.
said Thursday it will merge two of its Japan-based air-conditioning and refrigeration system companies on Oct.
Separating buildings in thermal zones helps in choosing the air-conditioning system which will be used for their air treatment.
Ventech Ventilation Co Ltd); two Swedish companies (Tour & Andersson and Flakt Woods Group); one Dubai based (Unigulf Air Conditioning Industries LLC); one Italian (Saiver); one Korean (Kiturami Bumyang Air-Conditioning Co Ltd).
WITH temperatures set to head back into the low 40s in the coming days, the welfare department is gearing up to begin prosecuting old people's homes who have failed to comply with instructions to turn on their air-conditioning.
The reason for the individual, who was an administration manager with an American company to put the advertisement for air-conditioned buses, was the common sight of construction workers being transported across the country, mostly on buses without air-conditioning during the region's scorching summer months between May and September.
23 -- Daikin Industries Ltd., Japan - the market leader in the premium air-conditioning market today announced that during the FY2010-11 it has become the World's No.
Kostov says the 30% of the trolleys have air-conditioning, adding that in 2012, 50 new trolleys will be purchased with funds from the EU operational program "Transport," and all will be air-conditioned, meaning all trolleys used in Sofia will have air-conditioning.