halon

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Definitions of halon word

noun halon Any of a number of unreactive gaseous compounds of carbon with bromine and other halogens, used in fire extinguishers, but now known to damage the ozone layer. 1
noun halon any of a class of chemical compounds derived from hydrocarbons by replacing one or more hydrogen atoms by bromine atoms and other hydrogen atoms by other halogen atoms (chlorine, fluorine, or iodine). Halons are stable compounds that are used in fire extinguishers, although they may contribute to depletion of the ozone layer 0
noun halon (organic chemistry) A hydrocarbon in which one or more hydrogen atoms have been replaced by halogens. 0

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This term is known only to a narrow circle of people with rare knowledge. Only 7% of English native speakers know the meaning of this word.

This word is included in each student's vocabulary. Most likely there is at least one movie with this word in the title.

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