/ Dictionary / Index T thrombopoietin: Meaning and Definition of Find definitions for: throm•bo•poi•e•tin Pronunciation: (throm"bō-poi'i-tn, -poi-et'n), [key] a hormone that induces bone marrow cells to form blood platelets. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. thromboplastin thrombosis Related Content Daily Word Quiz: clairvoyant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language