(thermodynamics) A structure or environment into which waste heat can be transferred

plural of dumb terminal

Alternative form of down in the dumps

plural of dummy spit

Alternative form of dumbcane (Dieffenbachia seguine)

plural of dumbcane

A tropical plant of the genus Dieffenbachia.

Extremely stupid.

(slang) Remarkably stupid.

(emergency medicine, mnemonic) An acronym used to remember the common symptoms of certain affections of a cholinergic toxidrome: ("diaphoresis/diarrhea, urination, miosis, bronchospasm/bradycardia/bronchorrhea, emesis, lacrimation, salivation").