n. 病毒, 滤过性病毒, 毒害

[化] 病毒

n. (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

n. a harmful or corrupting agency

n. a software program capable of reproducing itself and usually capable of causing great harm to files or other programs on the same computer