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 g more..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(noun.act)
derivation (.... is derived from alimentation)
a source of materials to nourish the body(noun.food)