antifreeze
noun
an·ti·freeze ˈan-ti-ˌfrēz 
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
Example Sentences
Recent Examples on the Web An antifreeze protein from a cold-water fish has improved the texture of ice cream, and an enzyme extracted from a microbe along the Mid-Atlantic Ridge is being used to develop a biofuel. 
Olive Heffernan, Scientific American, 12 Sep. 2022 Scientists first discovered antifreeze proteins in fish almost 50 years ago. Ashley Strickland, CNN, 17 Aug. 2022 As for the underlying mechanism, the researchers found that the surface adsorption seemed to be the nanocrystals' secret to stopping ice recrystallization in its tracks—just like antifreeze proteins. Jennifer Ouellette, Ars Technica, 26 Mar. 2022 Besides medical cleansers, EtO is used in a range of products, including antifreeze, textiles, plastics, detergents and adhesives. Fox News, 3 Aug. 2022 Besides medical cleansers, EtO is used in a range of products, including antifreeze, textiles, plastics, detergents and adhesives. Matthew Daly, ajc, 3 Aug. 2022 So far, scientists don't know if there is a link between the biofluorescence and antifreeze proteins. Ashley Strickland, CNN, 17 Aug. 2022 County residents are encouraged to bring items such as household paints, cleaners, non-controlled pharmaceutical waste, florescent bulbs, and antifreeze. Eve Sampson, Detroit Free Press, 11 Aug. 2022 Methanol is often found in fuels, plastics, pesticides, paint and antifreeze. Jennifer Hassan And Lesley Wroughton, Anchorage Daily News, 20 July 2022 See More
Olive Heffernan, Scientific American, 12 Sep. 2022 Scientists first discovered antifreeze proteins in fish almost 50 years ago. Ashley Strickland, CNN, 17 Aug. 2022 As for the underlying mechanism, the researchers found that the surface adsorption seemed to be the nanocrystals' secret to stopping ice recrystallization in its tracks—just like antifreeze proteins. Jennifer Ouellette, Ars Technica, 26 Mar. 2022 Besides medical cleansers, EtO is used in a range of products, including antifreeze, textiles, plastics, detergents and adhesives. Fox News, 3 Aug. 2022 Besides medical cleansers, EtO is used in a range of products, including antifreeze, textiles, plastics, detergents and adhesives. Matthew Daly, ajc, 3 Aug. 2022 So far, scientists don't know if there is a link between the biofluorescence and antifreeze proteins. Ashley Strickland, CNN, 17 Aug. 2022 County residents are encouraged to bring items such as household paints, cleaners, non-controlled pharmaceutical waste, florescent bulbs, and antifreeze. Eve Sampson, Detroit Free Press, 11 Aug. 2022 Methanol is often found in fuels, plastics, pesticides, paint and antifreeze. Jennifer Hassan And Lesley Wroughton, Anchorage Daily News, 20 July 2022 See More Word History
First Known Use
1903, in the meaning defined at sense 1
Kids Definition
antifreeze
noun
an·ti·freeze ˈan-ti-ˌfrēz
: a substance added to the water in an automobile radiator to prevent its freezing