Definition of air conditioner
: a machine that is used to cool and dry the air in a building, room, etc.
Word by Word Definitions
: the mixture of invisible odorless tasteless gases (as nitrogen and oxygen) that surrounds the earth
: a light breeze
: to expose to the air for drying, purifying, or refreshing : ventilate
: to expose to public view or bring to public notice
: to transmit by radio or television
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