re·​in·​fuse ˌrē-in-ˈfyüz How to pronounce reinfuse (audio)
reinfused; reinfusing; reinfuses

transitive verb

: to return (blood, lymphocytes, etc.) to the body by infusion after previous withdrawal
reinfusion noun

Example Sentences

Recent Examples on the Web This is important, since some athletes draw their own blood days or weeks before an event, store it, then reinfuse it to increase their blood’s oxygen-carrying capacity, which boosts physical performance. Anna Funk, Discover Magazine, 23 Apr. 2019 The other two base editor studies starting this year will edit cells in the lab and reinfuse them into patients. Ryan Cross,, 12 July 2022 Producers then reinfuse the spirit with more of these botanicals to give it its characteristic green hue. John Debary, Bon Appétit, 23 Apr. 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'reinfuse.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Word History

First Known Use

1963, in the meaning defined above

Time Traveler
The first known use of reinfuse was in 1963

Dictionary Entries Near reinfuse

Cite this Entry

“Reinfuse.” Dictionary, Merriam-Webster, Accessed 27 Mar. 2023.

Medical Definition


transitive verb
re·​in·​fuse ˌrē-in-ˈfyüz How to pronounce reinfuse (audio)
reinfused; reinfusing
: to return (as blood or lymphocytes) to the body by infusion after having been previously withdrawn
reinfusion noun
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