from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A life-support system: a patient on life support.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. An artificial system designed to provide oxygen in an environment that lacks oxygen.
  • n. A machine that keeps the body of an ill or injured person alive.

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

  • n. medical equipment that assists or replaces important bodily functions and so enables a patient to live who otherwise might not survive
  • n. equipment that makes life possible in otherwise deadly environmental conditions


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