life-sustaining

2 definitions found

life-sustaining - Collaborative International Dictionary of English v.0.48 :

  life-sustaining \life-sustaining\ adj.
     being the seat or source of life; performing a necessary
     function in the living body; as, the need for life-sustaining
     air and water.
  
     Syn: vital.
          [WordNet 1.5 +PJC]

life-sustaining - WordNet (r) 2.1 (2005) :

  life-sustaining
      adj 1: performing an essential function in the living body;
             "vital organs"; "blood and other vital fluids"; "the loss
             of vital heat in shock"; "a vital spot"; "life-giving
             love and praise" [syn: vital, life-sustaining]