air-cool

transitive verb

: to cool by means of air

specifically : to cool the cylinder or cylinders of (an internal-combustion engine) by air without the use of any intermediate medium (as water or oil)

air-cooled adjective

air cooling noun

Word History

Etymology

back-formation from air-cooled & air cooling

First Known Use

1900, in the meaning defined above

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Kids Definition

air-cool

verb

ˈa(ə)r-ˈkül,

ˈe(ə)r-

: to cool (as an internal combustion engine) by air