total parenteral nutrition

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun The administration of nutrients by intravenous feeding, especially to individuals unable to ingest food through the digestive tract.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun administration of a nutritionally adequate solution through a catheter into the vena cava; used in cases of long-term coma or severe burns or severe gastrointestinal syndromes