virulent

Significat (Anglès)

  1. Of animals, plants, or substances: extremely venomous or poisonous.
  2. (figuratively) Extremely hostile or malicious; intensely acrimonious.
  3. Of a disease or disease-causing agent: malignant, able to cause damage to the host.
  4. Of a pathogen: replicating within its host cell, then immediately causing it to undergo lysis.

Conceptes

Oposat a
harmless, nonvirulent, benign
Freqüència

39k
Pronunciat com a (IPA)
/ˈvɪɹ(j)ʊl(ə)nt/
Etimologia (Anglès)

In summary

PIE word *wisós From Middle English virulent (“leaking or seeping pus, purulent; (of putrefaction) extremely severe (sense uncertain)”) [and other forms], borrowed from Latin vīrulentus (“poisonous”), from vīrus (“poison; venom; slime, slimy liquid; stinking smell; nasty taste”) (ultimately from Proto-Indo-European *wisós (“poison; slime; fluidity”)) + -ulentus (suffix meaning ‘abounding in, full of’, forming adjectives). Sense 4 (“of a pathogen: replicating within its host cell, then immediately causing it to undergo lysis”) is derived from French virulent, which was first used in this sense by the French biologist François Jacob (1920–2013) and his co-authors in a 1953 article.

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