blood transfusion

noun2

1. •
   The act or process of transferring blood products into a person's circulation intravenously; an instance of it.

   • A blood transfusion stabilized her condition until surgery to stop her internal bleeding before it could begin.
2. •
   (figurative) A refreshing or reinvigoration of something.

   • Our extramural sports program was on life support until a generous philanthropic donation gave it a much-needed blood transfusion.