Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “injection”

injection

noun [C or U] uk   /ɪnˈdʒek.ʃən/ us  

injection noun [C or U] (DRUG)

C2 the act of putting a liquid, especially a drug, into a person's body using a needle and a syringe (= small tube): Daily insulin injections are necessary for some diabetics. This steroid is sometimes given by injection.

injection noun [C or U] (SOMETHING NEW)

C2 the introduction of something new that is necessary or helpful to a situation or process: A cash injection of £20 million will be used to improve the health service. an injection of humour/excitement
(Definition of injection from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of injection?
Add Cambridge dictionaries to your browser to your website

Definitions of “injection” in other dictionaries

Word of the Day

for starters

used to say that something is the first in a list of things

Word of the Day

Come on – you can do it! Phrasal verbs with ‘come’.

by Liz Walter​,
November 19, 2014
As part of an occasional series on the tricky subject of phrasal verbs, this blog looks at ones formed with the verb ‘come’. If you are reading this blog, I’m sure you already know come from, as it is one of the first things you learn in class: I come from Scotland/Spain.

Read More 

ped-text verb

November 24, 2014
to text someone while walking I’m ped-texting, I’m looking down at my phone, 75 percent of the time.

Read More