/ Dictionary / Index K kaon: Meaning and Definition of Find definitions for: ka•on Pronunciation: (kā'on), [key] — n. Physics. a meson with strangeness +1 and either positive or zero electric charge, or its antiparticle, with strangeness −1 and either negative or zero electric charge. Symbol: K&hasp; Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: kaon (Thesaurus) kaolinize Kao Tsu Related Content Daily Word Quiz: ontiguous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language