actinochemistry: Meaning and Definition of

ac•tin•o•chem•is•try

Pronunciation: (ak-tin"ō-kem'u-strē, ak"tu-nō-), [key]
— n.
  1. the branch of chemistry dealing with actinism; photochemistry.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.