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antifreeze
(redirected from antifreezes)

    Also found in: Dictionary/thesaurus, Medical, Encyclopedia, Wikipedia 0.01 sec.

antifreeze

Substance added to a water-cooling system (for example, that of a car) to prevent it freezing in cold weather.

The most common types of antifreeze contain the chemical ethylene glycol, or (HOCH2CH2OH), an alcohol with a freezing point of about −15°C/5°F.

The addition of this chemical depresses the freezing point of water significantly. A solution containing 33.5% by volume of ethylene glycol will not freeze until about −20°C/−4°F. A 50% solution will not freeze until −35°C/−31°F.



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? Mentioned in ? References in periodicals archive
 
The next step, says Storey: to determine how to use biological antifreezes on human organs in order to freeze and thaw them without destroying their delicate cells.
Life on ice: extreme cold is both a killer and lifesaver. Learn how ... by Stroh, Michael / Science World
The same holds true for long-life antifreezes, which only need to be flushed every 100,000 miles.
Blow molded industrial packaging grows slowly. (Your Business: ... by Thedinger, Bart / Plastics Technology
Cheng, a biologist at the University of Illinois at Urbana-Champaign, calls the report "a gallant attempt" at synthesizing antifreezes.
Chemists redesign natural antifreeze by Gorman, J. / Science News
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