Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “immune system”

See all translations

immune system

noun [C usually singular] uk   us  
C2 the cells and tissues in the body that make it able to protect itself against infection
Translations of “immune system”
in Chinese (Traditional) 免疫系統…
in Russian иммунитет…
in Turkish bağışıklık sistemi…
in Chinese (Simplified) 免疫系统…
in Polish układ immunologiczny lub odpornościowy…
(Definition of immune system from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of immune system?
Add Cambridge dictionaries to your browser to your website

Definitions of “immune system” in other dictionaries

Word of the Day

derivative

If something is derivative, it is not the result of new ideas, but has been developed from or copies something else.

Word of the Day

Euphemisms (Words used to Avoid Offending People)

by Kate Woodford,
March 04, 2015
​​​ We recently looked at the language that we use to describe lies and lying. One area of lying that we considered was ‘being slightly dishonest, or not speaking the complete truth’. One reason for not speaking the complete truth is to avoid saying something that might upset or offend people. Words and

Read More 

snapchat verb

March 02, 2015
to send someone a message using the photomessaging application Snapchat We used to have a thing until he got a girlfriend. now

Read More