virus

Từ điển WordNet v3.1 - WordNet Dictionary

noun

1. (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 (Freq. 4)
• Derivationally related forms:
viral
• Topics:
virology
• Members of this Topic:
virion, rheumatoid arthritis, atrophic arthritis, rheumatism, inoculant, inoculum
• Hypernyms:
microorganism, micro-organism, infectious agent, infective agent
• Hyponyms:
arbovirus, arborvirus, bacteriophage, phage, plant virus,
animal virus, slow virus, tumor virus, vector
2. a harmful or corrupting agency
- bigotry is a virus that must not be allowed to spread
- the virus of jealousy is latent in everyone
• Hypernyms:
representation, delegacy, agency
3. a software program capable of reproducing itself and usually capable of causing great harm to files or other programs on the same computer
- a true virus cannot spread to another computer without human assistance
• Syn:
computer virus
• Hypernyms:
malevolent program