air conditioning

[ air kuhn-dish-uh-ning ]

noun

1. a system or process for controlling the temperature, humidity, and sometimes the purity of the air in an interior, as of an office, theater, laboratory, or house, especially one capable of cooling.
2. an air-conditioning system or unit.

air conditioning

noun

1. a system or process for controlling the temperature and sometimes the humidity and purity of the air in a house, etc

Derived Forms

• air conditioner, noun

Other Words From

• air-con·di·tion·ing adjective

Word History and Origins

Origin of air conditioning¹

First recorded in 1905–10

Example Sentences

Even with distanced tables, case studies have shown that droplets can travel long distances within dining establishments, sometimes helped along by air conditioning.

From ProPublica

Such a demon would soon be very wealthy from providing free air conditioning in the summer and free heating in the winter.

From Science News

They expressed a litany of concerns about issues from a lack of air conditioning during the hot Alabama summer to fears about the novel coronavirus spreading in the facility.

From Washington Post

Having windows open allows more air to be flushed out than by just having the heating or air conditioning turned on.

From Washington Post

Simon wanted to strike out on his own and bounced between jobs, including a real estate title company, his own heating and air conditioning firm, a couple of Internet start-ups and computer programming.

From Washington Post

There are fans, but Hetflaisz never once saw an air-conditioning unit—and temperatures get up to 100 degrees.

From The Daily Beast

At 4:00 p.m. on a hot summer day, lots of people turn on their air conditioning at the same time.

From The Daily Beast

Conway refers to the other important factors as the “three ‘A’s”: air conditioning, assimilation, and airfare.

From The Daily Beast

The bus had no air-conditioning and was filled with Arab families.

From The Daily Beast

Or the flier who jumped from the Jin Mao Tower in Shanghai and slammed into an air conditioning unit on a roof.

From The Daily Beast

There was a faint hum that built up all over the ship as the air conditioning came on at the same time.

From Project Gutenberg

I said our air-conditioning system goes haywire and that we were ripping out a thousand old boilers and coolers.

From Project Gutenberg

Dillon sent out a rush request for air conditioning equipment, omitted, by some mistake, from the supplies.

From Project Gutenberg

Every building had been sealed and filters had been built into the air conditioning systems.

From Project Gutenberg

Kovandaswamy was sweating despite the air-conditioning, despite his almost-naked state.

From Project Gutenberg