Meaning of total parenteral nutrition

to'tal paren'teral nutri'tion

Pronunciation: [key]
— Med. Med.
  1. 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.