inject

Concise Oxford English Dictionary © 2008 Oxford University Press:
inject/ɪnˈʤekt/

▶verb

• 1 introduce (a liquid, especially a drug or vaccine) into the body with a syringe.

  ■ administer a drug or medicine to (a person or animal) in this way.

• 2 introduce or feed (something) under pressure into another substance.

• 3 introduce (a new quality or element): she tried to inject scorn into her tone.

– derivatives
injectable adjective & noun,
injector noun.

– origin C16: from L. inject-, inicere ‘throw in’.