Medical Dictionary


adj pas·sive \ˈpas-iv\

Medical Definition of PASSIVE

a (1) :  lethargic or lacking in energy or will (2) :  tending not to take an active or dominant part <a passive spouse> b :  induced by an outside agency <passive exercise of a paralyzed leg>
a :  of, relating to, or characterized by a state of chemical inactivity b :  not involving expenditure of chemical energy <passive transport across a plasma membrane>
pas·sive·ly adverb
pas·sive·ness noun
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