coolant

noun

cool·​ant ˈkü-lənt 

: a usually fluid cooling agent

Examples of coolant in a Sentence

Recent Examples on the Web

First, a Soyuz capsule — the Russian spacecraft that had brought Rubio to the ISS last September — sprung a coolant leak in mid-December, jeopardizing his ride home. —Daniel Wu, Washington Post, 21 Sep. 2023

The mission was only supposed to last six months, but the ship that was supposed to bring the crew home had a coolant leak and was deemed unsafe. —Jon Michael Raasch Fox News, Fox News, 19 Sep. 2023

Launched last September 21, Prokopyev, Petelin and Rubio originally planned to come home in March, but their Soyuz MS-22 ferry ship suffered a massive coolant leak in December, presumably due to a micrometeoroid impact. —William Harwood, CBS News, 12 Sep. 2023

But as they are packed into larger groups for grid-scale systems, testing becomes more complex, and the pathways to ignition multiply: coolant leaks, shorting electronics, faulty installation. —Gregory Barber, WIRED, 8 Sep. 2023

But the Russian Soyuz spacecraft that carried him and two Russian colleagues to the space station sprang a coolant leak late last year. —Jackie Wattles, CNN, 3 Sep. 2023

After a June fire sparked by a coolant leak in a battery at the Nikola Corp.’s headquarters in Phoenix, the electric truck manufacturer announced a recall of 209 of its Tre electric battery trucks. —The Arizona Republic, 16 Aug. 2023

Internal investigations by Nikola’s safety and engineering teams indicate a single supplier component within its battery packs is the likely source of coolant leaks that a third party found to be the probable cause of the June truck fire. —BostonGlobe.com, 14 Aug. 2023

In one-phase systems, a liquid coolant moves through the system and absorbs excess heat, which raises the liquid’s temperature. —Issam Mudawar, The Conversation, 14 Sep. 2023

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Word History

Etymology

cool entry 2 + -ant entry 1

First Known Use

1915, in the meaning defined above

Kids Definition

coolant

noun

cool·​ant ˈkü-lənt 

: a usually fluid cooling substance