| English Dictionary |
AVIRULENT
| Pronunciation (US): |  | (GB): | |
Dictionary entry overview: What does avirulent mean?
• AVIRULENT (adjective)
The adjective AVIRULENT has 1 sense:
1. not virulent; unable to produce disease
Familiarity information: AVIRULENT used as an adjective is very rare.
Dictionary entry details
Sense 1
Meaning:
Not virulent; unable to produce disease
Antonym:
virulent (infectious; having the ability to cause disease)
Context examples
Live vaccines prepared from microorganisms which have undergone physical adaptation (e.g., by radiation or temperature conditioning) or serial passage in laboratory animal hosts or infected tissue/cell cultures, in order to produce avirulent mutant strains capable of inducing protective immunity.
(Attenuated Live Virus Vaccine, NCI Thesaurus)
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