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

first:

(a person or thing) coming before all others in order, time, amount, quality, or importance

Word of the Day

Countability – grammar codes

by Dom Glennon​​,
November 26, 2014
Advices and informations Have you ever noticed strange codes in square brackets on entries in Cambridge Dictionaries Online and wondered what they mean? These are grammar codes, giving you a brief summary of how that word behaves grammatically. More information can be obtained by hovering your cursor over the code, and there’s

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