virus

名词 n. 动词 v.
中文释义
发音 vīʹrəs

英文释义

名词 n.
  1. A submicroscopic, non-cellular structure that consists of a core of DNA or RNA surrounded by a protein coat, that requires a living host cell to replicate, and that sometimes causes disease in the host organism (such agents are often classed as nonliving infectious particles and less often as microorganisms). countable,uncountable
    — Viruses are the smallest and most simplified forms of life.
  2. A submicroscopic, non-cellular structure that consists of a core of DNA or RNA surrounded by a protein coat, that requires a living host cell to replicate, and that sometimes causes disease in the host organism (such agents are often classed as nonliving infectious particles and less often as microorganisms).; A species thereof. countable,uncountable
    — Meronym: virion (individual particle)
  3. A submicroscopic, non-cellular structure that consists of a core of DNA or RNA surrounded by a protein coat, that requires a living host cell to replicate, and that sometimes causes disease in the host organism (such agents are often classed as nonliving infectious particles and less often as microorganisms).; An individual particle thereof: synonym of virion. countable,uncountable
    — Under electron microscopy, a few viruses were seen floating near the cells.
  4. A quantity of such infectious agents, considered en masse. uncountable
    — Not much virus was detectable on a nucleic acid test; the viral load was very low.
  5. A disease caused by such an infectious agent; a viral illness. countable,informal,metonymically,uncountable
    — He's got a virus and had to stay home from school.
  6. Venom, as produced by a poisonous animal etc. archaic,countable,uncountable
    — Brazil, that inferno where every budding flower and every buzzing bluebottle fly bears a lascivious virus.
  7. A type of malware which can covertly transmit itself between computers via networks (especially the Internet) or removable storage such as disks, often causing damage to systems and data; also computer virus. countable,uncountable
    — Wait a minute! Is this one of those virus emails?!
  8. Any type of malware. countable,proscribed,uncountable
  9. Any malicious or dangerous entity that spreads from one place or person to another. countable,figuratively,uncountable
    — I am tired of the mind viruses that are crippling people living in the western world — especially in my own nation. Sadly, Australia is becoming known as a nation of whingers.
动词 v.
  1. To send or infect an electronic device with a computer virus. nonstandard,rare
    — I'm just going to virus anyone who tries cheating on this game.

词形变化

viruses plural virusses plural,rare vira plural,rare viri plural,proscribed virii plural,proscribed virus nonstandard,plural,rare viruses present,singular,third-person virusing participle,present virused participle,past virused past

词汇关系

近义词
virus
上位词
malware
下位词
antivirus cryptovirus phage bacteriophage virophage adenovirus alphahypovirus cachavirus chuvirus cytomegalovirus enterovirus filovirus herpesvirus hypovirus picornavirus retrovirus rotavirus rhabdovirus varicosavirus Bunyamwera virus
相关词
COVID-19

词源

词源 1
From Middle English virus, from Latin vīrus (“poison, slime, venom”), via rhotacism from Proto-Italic *weizos, from Proto-Indo-European *wisós (“fluidity, slime, poison”). First use in the computer context by David Gerrold in his 1972 book When HARLIE Was One.
词源 2
From Middle English virus, from Latin vīrus (“poison, slime, venom”), via rhotacism from Proto-Italic *weizos, from Proto-Indo-European *wisós (“fluidity, slime, poison”). First use in the computer context by David Gerrold in his 1972 book When HARLIE Was One.
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