/ Dictionary / Index A anomalistic year: Meaning and Definition of Find definitions for: anom'alis'tic year' Pronunciation: [key] — Astron. Astron. the average interval between consecutive passages of the earth through the perihelion, equivalent to 365.26 days. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. anomalistic month anomalous Related Content Daily Word Quiz: rarefied Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language