viruses

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
• a harmful or corrupting agency
• a software program capable of reproducing itself and usually capable of causing great harm to files or other programs on the same computer
• plural of virus

Synonyms

computer virus, virus