/ Dictionary / Index S soliton: Meaning and Definition of Find definitions for: sol•i•ton Pronunciation: (sol'i-ton"), [key] — Math., Physics. Math.,Physics. a solution of a certain type of partial differential equation that represents a solitary wave. (loosely) a solitary wave. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: soliton (Thesaurus) solitary wave solitude Related Content Daily Word Quiz: cygnet Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language