noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A device that precools things before they are placed into a cooler or fridge.
2. 2
   A device which cools the incoming airstream prior to its introduction into the combustion chamber or compressor.

Etymology

From pre- + cool + -er.

Related phrases

combustion chamber

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.