re·​in·​ject (ˌ)rē-in-ˈjekt How to pronounce reinject (audio)
reinjected; reinjecting

transitive verb

: to inject (something) again
Unlike conventional foam, silicone cures quickly and can be reinjectedJeff Rich and Steve Cohen
also : to return or replenish (something) by injection especially following removal
The technique would involve removing diseased stem cells from the fetus's bloodstream, transferring healthy genes into them, and reinjecting the treated cells into the fetus. Pat Ohlendorf-Moffat
… for each barrel of oil displaced two barrels of water must be reinjected into the reservoir. A. Alvarez
reinjection noun
plural reinjections
After the initial treatment, reinjection with collagen at intervals is required to maintain full correction. Elizabeth A. Abel et al.
reinjection of treated cells
It works so reliably that some patients come regularly for reinjections into eyebrows or small areas of the scalp. Richard B. Weller et al.

Examples of reinject in a Sentence

Recent Examples on the Web Oil producers reinject the gas underground to produce more of the valuable oil. Alex Demarban, Anchorage Daily News, 26 Oct. 2022 In the case of a large surplus (as in Manatee County, Fla., which has generated $100 million surpluses over the last several years), the tax credit will return some percent of it to the citizens, who will reinject it into the local economy. WSJ, 17 Nov. 2021 The logical move, as mentioned above, could be inserting Goran Dragic into the first unit, not due to any fault of Kendrick Nunn, but just to attempt to reinject some energy into the mix. Ira Winderman,, 25 May 2021

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'reinject.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1824, in the meaning defined above

Time Traveler
The first known use of reinject was in 1824

Dictionary Entries Near reinject

Cite this Entry

“Reinject.” Dictionary, Merriam-Webster, Accessed 28 May. 2024.

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