Meanings
nouncoolant (plural coolants)
plural coolants
- A medium, usually fluid, used to draw heat from an object.
Coolant is used in car engines and industrial processes, where excess heat could cause machine damage.
1 more example
Anti-freeze has not been found necessary, even in the most severe conditions, since the water is drained out if a locomotive spends any appreciable time out of service and in normal working conditions the coolant is always warm.
1962 October, M. J. Wilson, “Three years of dieselisation at Devons Road depot”, in Modern Railways, page 264
Origin
Translations
Arabic مُبَرِّد
- مُبَرِّد (mubarrid)a fluid
Bulgarian охлажда́щ аге́нт
- охлажда́щ аге́нт (ohlaždášt agént)a fluid
Chinese Mandarin 冷卻劑 /冷却剂
- 冷卻劑 /冷却剂 (lěngquèjì)a fluid
Czech chladicí kapalina
- chladicí kapalinaa fluid
Dutch koelmiddel, koelvloeistof
- koelmiddela fluid
- koelvloeistofa fluid
Finnish jäähdytysaine, jäähdytysneste
- jäähdytysainea fluid
- jäähdytysnestea fluid
- jäähdytea fluid
- jäähdytys-a fluid
French fluide caloporteur, réfrigérant
- fluide caloporteura fluid
- réfrigéranta fluid
- liquide de refroidissementa fluid
German Kühlmittel, Kühlflüssigkeit
- Kühlmittela fluid
- Kühlflüssigkeita fluid
Hungarian hűtőfolyadék
- hűtőfolyadéka fluid
Icelandic kælivökvi, kæliefni
- kælivökvia fluid
- kæliefnia fluid
Italian refrigerante, antigelo
- refrigerantea fluid
- antigeloa fluid
Japanese 冷却剤
- 冷却剤 (reikyakuzai)a fluid
Korean 냉각제, 랭각제
- 냉각제 (naenggakje)a fluid
- 랭각제 (raenggakje)a fluid
Lithuanian šilumnešis, aušinimo skystis
- šilumnešisa fluid
- aušinimo skystisa fluid
Norwegian Bokmål kjølevæske, kjølevann
- kjølevæskea fluid
- kjølevanna fluid
Polish chłodziwo
- chłodziwoa fluid
Portuguese refrigerante
- refrigerantea fluid
Russian охлажда́ющая жи́дкость, теплоноси́тель
- охлажда́ющая жи́дкость (oxlaždájuščaja žídkostʹ)a fluid
- теплоноси́тель (teplonosítelʹ)a fluid
Slovak chladiaca kvapalina
- chladiaca kvapalinaa fluid
Spanish refrigerante
- refrigerantea fluid
Turkish soğutucu
- soğutucua fluid
Ukrainian теплоносі́й
- теплоносі́й (teplonosíj)a fluid
Rhymes & wordplay
Anagrams
Cite this entry
APA
coolant. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/coolant
MLA
“coolant.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/coolant. Accessed November 2, 2026.
Chicago
WatkinsX Dictionary, s.v. “coolant,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/coolant.
Source: coolant on Wiktionary, CC BY-SA 4.0.