A substance, often a liquid such as ethylene glycol or alcohol, mixed with another liquid to lower its freezing point.(noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "antifreeze" in a sentence
"Baugh expressed confidence in the top hat container, as a "stop-gap," if enough antifreeze is pumped to the dome."
"In the note, the word antifreeze is misspelled as "antifree" in four spots."
"Then along came a miraculous thing called antifreeze, which keeps the engine warm in winter and cool in summer."