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avirulent

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adjective avir·u·lent \(ˌ)ā-ˈvir-(y)ə-lənt\

Definition of avirulent

  1. :  not virulent — compare nonpathogenic

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Origin and Etymology of avirulent

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avirulent

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adjective avir·u·lent \(ˈ)ā-ˈvir-(y)ə-lənt\

Medical Definition of avirulent

  1. :  not virulent an avirulent tubercle bacillus—compare nonpathogenic

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