aftercooler

noun

af·​ter·​cool·​er

ˈaf-tər-ˌkü-lər

1

: an apparatus for cooling the discharge air from air compressors in order to remove its condensed moisture

2

: a device for cooling the fuel mixture heated by compression in a supercharger

Word History

Etymology

after- + cooler entry 2

First Known Use

1895, in the meaning defined at sense 1

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