cooling

(noun) the process of becoming cooler; a falling temperature. Synonyms: chilling, temperature reduction.

(noun) a mechanism for keeping something cool. Synonyms: cooling system. Example: "The cooling was overhead fans."

(verb) make cool or cooler. Synonyms: cool, chill, cool down. Example: "Chill the food."

(verb) loose heat. Synonyms: cool, chill, cool down. Example: "The air cooled considerably after the thunderstorm."

(verb) lose intensity. Synonyms: cool, cool off, cool down. Example: "His enthusiasm cooled considerably."