/ Thesaurus / F Synonyms of field theory Find synonyms for: Noun1. field theory, theoryusage: (physics) a theory that explains a physical phenomenon in terms of a field and the manner in which it interacts with matter or with other fieldsWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: grimace Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language