methylene chloride

noun Chemistry.
  1. a colorless, volatile liquid, CH2Cl2, used chiefly as a solvent, as a refrigerant, and as a local anesthetic in dentistry.

Origin of methylene chloride

First recorded in 1875–80
Also called methylene dichloride, dichloromethane.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for methylene chloride

methylene chloride

noun
  1. another name for dichloromethane
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