Meaning of INJECTION in English

INJECTION

[noun]An injection is the putting of a liquid, esp. a medicine, into a person's body using a needle and a syringe (= small tube).Daily insulin injections are necessary for some diabetics. [C](esp. UK and ANZ) At school we were given injections against the most common illnesses. [C]This antihistamine is usually given by injection. [U](figurative) A cash injection (= the addition) of £10 million will be used to improve one of Britain's most squalid housing estates. [C]

Cambridge English vocab.      Кембриджский английский словарь.