an·​ti·​freeze | \ ˈan-ti-ˌfrēz How to pronounce antifreeze (audio) \

Definition of antifreeze

1 : a substance added to a liquid (such as the water in an automobile engine) to lower its freezing point
2 : any of various substances (such as proteins or alcohols) that are found in some living organisms (such as certain fish and insects) and serve to lower the freezing point of body fluids especially by limiting ice crystal growth

Examples of antifreeze in a Sentence

Recent Examples on the Web Last week, the Court of Appeals ordered a new trial for Mark D. Jensen, convicted in 2008 of fatally poisoning his wife, Julie Jensen, with antifreeze 10 years earlier. Bruce Vielmetti, Milwaukee Journal Sentinel, "New trial ordered — again — in wife's 1998 antifreeze death," 2 Mar. 2020 Where the ice meets the edge of the island, towering glacial headwalls calve icebergs into the bays, requiring boats to dodge and dart around the floating obstacles, some of them as shockingly blue as antifreeze, some as big as Kentucky courthouses. Andrew Mckean, Outdoor Life, "A Boat Hunt for Musk Ox and Caribou in Greenland," 21 Feb. 2020 The few species of fish that can thrive in the Southern Ocean are specially equipped: icefish and Antarctic toothfish produce antifreeze in their blood, and icefish are the only vertebrates that lack hemoglobin, absorbing oxygen through their skin. Lucy Jakub, Harper's magazine, "A View to a Krill," 2 Mar. 2020 Stacey Castor poisoned her two husbands with antifreeze and attempted to murder her daughter. Alicia Kortendick, al, "‘Poisoned Love: The Stacey Castor Story’ | How to watch, live stream, TV channel, time," 1 Feb. 2020 The father remembered the night before to activate the heating element that warms his antifreeze, which in turn keeps his motor oil just viscous enough to allow the pistons to move. Anchorage Daily News, "The physics of 40 below," 4 Jan. 2020 Snow globes Imported versions can contain antifreeze – as little as one tablespoon can be fatal for a cat. Htv National Desk, Houston Chronicle, "10 Christmas hazards all pet owners should be aware of," 12 Dec. 2019 Winterizing is more than just sloshing in some fuel stabilizer, draining the engine, and adding antifreeze. Popmech Editors, Popular Mechanics, "How To Winterize Your Boat for the Cold Months Ahead," 21 Nov. 2019 Officers discovered the west side of the building was damaged with a pool of antifreeze on the ground. Bruce Geiselman, cleveland, "Woman charged with OVI after crashing into bar: North Olmsted Police Blotter," 18 Dec. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'antifreeze.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of antifreeze

1903, in the meaning defined at sense 1

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Time Traveler for antifreeze

Time Traveler

The first known use of antifreeze was in 1903

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Cite this Entry

“Antifreeze.” Dictionary, Merriam-Webster, Accessed 13 Jul. 2020.

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How to pronounce antifreeze (audio)

English Language Learners Definition of antifreeze

: a substance that is added to the water in a vehicle's engine to prevent it from freezing


an·​ti·​freeze | \ ˈan-ti-ˌfrēz How to pronounce antifreeze (audio) \

Kids Definition of antifreeze

: a substance added to the water in an automobile radiator to prevent its freezing

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Rhyming Dictionary: Words that rhyme with antifreeze

Spanish Central: Translation of antifreeze

Nglish: Translation of antifreeze for Spanish Speakers Encyclopedia article about antifreeze

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