noun: (medicine) Initialism of durable medical equipment. [Any medical equipment used in the home to improve quality of life, such as iron lungs, oxygen tents, nebulizers, catheters, wheelchairs, etc.]
noun: (aviation) Initialism of distance measuring equipment.
noun: (organic chemistry) Initialism of dimethyl ether. [(organic chemistry) The simplest ether; that derived from methanol (CH₃OCH₃)]
