Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “vaccine”

See all translations

vaccine

noun [C or U] uk   /ˈvæk.siːn/ us  
C2 a substance containing a virus or bacterium in a form that is not harmful, given to a person or animal to prevent them from getting the disease that the virus or bacterium causes: This vaccine protects against some kinds of the bacteria.
Translations of “vaccine”
in Korean 백신…
in Arabic لُقاح…
in French vaccin…
in Turkish aşı…
in Italian vaccino…
in Chinese (Traditional) 疫苗…
in Russian вакцина…
in Polish szczepionka…
in Spanish vacuna…
in Portuguese vacina…
in German der Impfstoff…
in Catalan vacuna…
in Japanese ワクチン…
in Chinese (Simplified) 疫苗…
(Definition of vaccine from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of vaccine?
Add Cambridge dictionaries to your browser to your website

Definitions of “vaccine” in other dictionaries

Word of the Day

piglet

a baby pig

Word of the Day

The way we move (Verbs for walking and running)

by Kate Woodford,
March 25, 2015
​​​ This week we’re looking at interesting ways to describe the way that people move. Most of the verbs that we’ll be considering describe how fast or slow people move. Others describe the attitude or state of mind of the person walking or running. Some describe both. Starting with verbs for walking slowly,

Read More 

stackin’ p

March 30, 2015
idiom slang earning a lot of money ‘That’s a very generous present.”Yeah, well, she’s stackin’ p, innit?’

Read More