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1.
Two or more atoms that are chemically bonded together.
The lake is full of water molecules.
by 5'11"Racer December 07, 2006
 
2.
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