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

“The last three years have not been easy in Germany,” says Joachim Ley, chief executive at Ziehl-Abegg, a manufacturer of ventilation, air conditioning, and engineering systems.

From BBC

One of the features praised in 1996 was the decision to not install air conditioning.

From BBC

And aside from my desperate need for air conditioning, I almost lament my need to get back in my car to head home.

From Los Angeles Times

Road transport emissions also rose, but there were other key factors including the impact of climate change, driving up temperatures forcing people to resort to more air conditioning.

From BBC

Projected costs include roof repairs, refurbishing air conditioning systems and updating the elevators.

From Los Angeles Times