Life-sustaining

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  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]

From WordNet (r) 2.0 [wn]:

  life-sustaining
       adj : 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}]