/ Dictionary / Index S stoichiometry: Meaning and Definition of Find definitions for: stoi•chi•om•e•try Pronunciation: (stoi"kē-om'i-trē), [key] — n. the calculation of the quantities of chemical elements or compounds involved in chemical reactions. the branch of chemistry dealing with relationships of combining elements, esp. quantitatively. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: stoichiometry (Thesaurus) stoichiometric Stoicism Related Content Daily Word Quiz: endear Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language