/ Dictionary / Index S structural formula: Meaning and Definition of Find definitions for: struc'tural for'mula Pronunciation: [key] — Chem. Chem. a chemical formula showing the linkage of the atoms in a molecule diagrammatically, as H–O–H. Cf. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. structural anthropology structural functionalism Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language