/ Dictionary / Index A aspherical: Meaning and Definition of Find definitions for: a•spher•i•cal Pronunciation: (ā-sfer'i-kul), [key] — adj. Optics. (of a reflecting surface or lens) deviating slightly from a perfectly spherical shape and relatively free from aberrations. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: aspherical (Thesaurus) asphaltum asphodel Related Content Daily Word Quiz: fresco Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language