/ Dictionary / Index A abstinence theory: Meaning and Definition of Find definitions for: ab'stinence the"ory Pronunciation: [key] — Econ. Econ. the theory that interest is payment for conserving current income. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. abstinence syndrome abstr. Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language