/ Dictionary / Index L luteinize: Meaning and Definition of Find definitions for: lu•te•in•ize Pronunciation: (l'tē-u-nīz"), [key] — v., -ized, -iz•ing. —v.t. to produce corpora lutea in. —v.i. to undergo transformation into corpora lutea. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. lutein luteinizing hormone Related Content Daily Word Quiz: arboreal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language