astrochemistry: Meaning and Definition of

as•tro•chem•is•try

Pronunciation: (as"trō-kem'u-strē), [key]
— n.
  1. a branch of astronomy and chemistry dealing with the chemical composition and evolution of the universe and its parts.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.