Coolant
Coolant noun - A fluid agent (gas or liquid) that produces cooling; especially one used to cool a system by transferring heat away from one part to another.
Usage example: he added more coolant to the car's radiator
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Synonyms for Coolant
Fluid and coolant are semantically related. In some cases you can use "Fluid" instead a noun "Coolant".
Mutual synonyms
Both words in one sentence
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Amusingly, the MiG-25 had a nickname among Russian pilots: the Flying Liquor Store, because it used pure grain-alcohol both as a coolant for the avionics and as a de-icing fluid for the wings.
Source: Real Life / Cool Plane - It's mostly pine cone liquor, but other ingredients include antifreeze, brake fluid, all-weather coolant, gasoline, hair spray, paint stripper, meth, mint leaves and Early's own ink (which is probably at least 70 proof).
Cite this Source
Fluid and Coolant. (2017). Retrieved 2026, July 29, from https://thesaurus.plus/related/coolant/fluid
Coolant & Fluid. N.p., 2017. Web. 29 Jul. 2026. <https://thesaurus.plus/related/coolant/fluid>.
Fluid or Coolant. 2017. Accessed July 29, 2026. https://thesaurus.plus/related/coolant/fluid.
Google Ngram Viewer shows how "coolant" and "fluid" have occurred on timeline