/ Dictionary / Index T total parenteral nutrition: Meaning and Definition of Find definitions for: to'tal paren'teral nutri'tion Pronunciation: [key] — Med. Med. intravenous administration of a solution of essential nutrients to patients unable to ingest food, esp. in cases of severe gastrointestinal or malabsorption disorders or prolonged coma. Abbr.: TPN&hasp; Also called hyperalimentation. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. totally ordered set total quantum number Related Content Daily Word Quiz: soporific Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language