- a suspension of dead, attenuated, or otherwise modified microorganisms (viruses, bacteria, or rickettsiae) for inoculation to produce immunity to a disease by stimulating the production of antibodies
- (originally) a preparation of the virus of cowpox taken from infected cows and inoculated in humans to produce immunity to smallpox
- (modifier) of or relating to vaccination or vaccinia
- a piece of software designed to detect and remove computer viruses from a system
WordReference Random House Learner's Dictionary of American English © 2023
vac•cine /vækˈsin/USA pronunciation
n. [countable]
WordReference Random House Unabridged Dictionary of American English © 2023- Immunologya preparation introduced into the body to prevent a disease by causing the body to produce antibodies against it, usually a weakened substance containing the virus causing the disease against which the body can react.
- Computinga software program that helps to protect against computer viruses.
vac•cine
(vak sēn′ or, esp. Brit., vak′sēn, -sin),USA pronunciation n.
adj.
- Immunologyany preparation used as a preventive inoculation to confer immunity against a specific disease, usually employing an innocuous form of the disease agent, as killed or weakened bacteria or viruses, to stimulate antibody production.
- Microbiologythe virus of cowpox, used in vaccination, obtained from pox vesicles of a cow or person.
- Computinga software program that helps to protect against computer viruses, as by detecting them and warning the user.
adj.
- of or pertaining to vaccination.
- of or pertaining to vaccinia.
- of, pertaining to, or derived from cows.
- Neo-Latin (variolae) vaccīnae cowpox (in title of English. Jenner's treatise of 1798), equivalent. to vacc(a) cow + -īnae, feminine plural of -īnus -ine1
Collins Concise English Dictionary © HarperCollins Publishers::
vaccine /ˈvæksiːn/ n
'vaccine' also found in these entries (note: many are not synonyms or translations):
BCG
- BCG vaccine
- DPT
- Hib
- Jenner
- MMR
- Sabin
- Sabin vaccine
- Salk
- Salk vaccine
- TAB
- Theiler
- bacillus Calmette-Guérin
- bacterin
- biological
- booster dose
- cowberry
- point
- polio vaccine
- polyvalent
- preventive
- protection
- provaccine
- race
- sabin
- seroconvert
- shot
- unit
- vaccinal
- vaccinate
- vaccination
- vaccine point
- vaccinia
- vaccinization
- victory