/ Dictionary / Index L lyse: Meaning and Definition of Find definitions for: lyse Pronunciation: (līs), [key] — v., lysed, lys•ing. —v.t. to cause dissolution or destruction of cells by lysins. —v.i. to undergo lysis. -lyse Pronunciation: [key] — Chiefly Brit. Chiefly Brit. var. of Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. lysate Lysenko Related Content Daily Word Quiz: lunar Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language