Top Definition
Two or more atoms that are chemically bonded together.
The lake is full of water molecules.
by 5'11"Racer December 07, 2006
1 more definition
slang word for "pure" MDMA, or, ectasy used in the hippie scene. also known as mollyit comes as a crystalline powder in gelcaps. normal effective dose is .1 grams for roughly 20$ per. molecule is a way more heady alternative than regular rolls.
gogurt was parachuting tenths of molecule in his anal wind sock all goddam day at bonnaroo.
by go-gurt August 13, 2007

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