Definition of infusion noun from the Oxford Advanced Learner's Dictionary



    BrE BrE//ɪnˈfjuːʒn//
    ; NAmE NAmE//ɪnˈfjuːʒn//
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  1. 1[countable, uncountable] infusion of something (into something) (formal) the act of adding something to something else in order to make it stronger or more successful a cash infusion into the business an infusion of new talent into science education The company needs an infusion of new blood (= new employees with new ideas).
  2. 2[countable] a drink or medicine made by leaving herbs, etc. in hot water an infusion of camomile See related entries: Medication
  3. 3[countable, uncountable] (medical) an act of slowly putting a drug or other substance into a person’s vein; the drug that is used in this way
  4. Word Originlate Middle English (denoting the pouring in of a liquid): from Latin infusio(n-), from the verb infundere, from in- ‘into’ + fundere ‘pour’.
See the Oxford Advanced American Dictionary entry: infusion