air-condition

US: (âr′kən dish′ən)

WordReference Random House Learner's Dictionary of American English © 2025

ˈair-conˌdi•tion,  v. [~ + object]

1. to furnish with air conditioning.

air condi•tion•er, n. [countable]

WordReference Random House Unabridged Dictionary of American English © 2025

air-con•di•tion  (âr′kən dish′ən), v.t. 

1. to furnish with an air-conditioning system.
2. to treat (air) with such a system.

• 1930–35

Collins Concise English Dictionary © HarperCollins Publishers::

air-condition verb

1. (transitive) to apply air conditioning to