Definitions of virus:
- noun: (virology) ultramicroscopic infectious agent that replicates itself only within cells of living hosts; many are pathogenic; a piece of nucleic acid (DNA or RNA) wrapped in a thin coat of protein
- noun: a software program capable of reproducing itself and usually capable of causing great harm to files or other programs on the same computer
Example: "A true virus cannot spread to another computer without human assistance"
- noun: a harmful or corrupting agency
Example: "Bigotry is a virus that must not be allowed to spread"
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