1. [ 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
Related terms: microorganism infectious_agent plant_virus animal_virus bacteriophage tumor_virus slow_virus arborvirus rheumatoid_arthritis virion inoculant virology
2. [ noun ] a harmful or corrupting agency

"bigotry is a virus that must not be allowed to spread" "the virus of jealousy is latent in everyone"

Related terms: representation
3. [ noun ] (computer science) a software program capable of reproducing itself and usually capable of causing great harm to files or other programs on the same computer
Synonyms: computer_virus

"a true virus cannot spread to another computer without human assistance"

Related terms: malevolent_program
Similar spelling:   Viers