in·​fu·​sion | \ in-ˈfyü-zhən How to pronounce infusion (audio) \

Definition of infusion

1 : the act or process of infusing an infusion of new ideas
2 : a product obtained by infusing herbal infusions
3 : the continuous slow introduction of a solution especially into a vein

Examples of infusion in a Sentence

Her ideas have brought a new infusion of vitality to the organization. a strong infusion of tea a medicinal drink made by infusion of herbs
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Recent Examples on the Web

With an infusion of offensive talent (Le’Veon Bell and Jamison Crowder especially), Darnold will have a chance to really build upon his late-season and preseason success. Kevin Hanson,, "Fantasy Football: AFC East Divisional Preview; Sleepers, Breakouts, More," 19 Aug. 2019 It is given as a single 60-hour infusion in a very controlled medical environment. Madelyn Fernstrom, NBC News, "Everything you need to know about Zulresso — the first FDA-approved treatment for postpartum depression," 14 Aug. 2019 CdM recovered from an early-season injury to Malia Halafuka with an infusion of youth. Andrew Turner,, "Daily Pilot Girls’ Basketball Dream Team: Edison’s Finley Garnett had unmatchable motor," 29 Apr. 2018 With the infusion of cash, Company B can now fund its venture. John H. Cochrane, WSJ, "Stock Buybacks Are Proof of Tax Reform’s Success," 5 Mar. 2018 Visitors sip cocktails with vodka infusions (honey, jalapeno, horseradish, dill) and, in August, meander an 8-acre maze within a 50-acre sunflower field. Mary Bergin,, "From the soil to suds and spirits: Where to find creative cocktails and beer on Wisconsin farms," 6 Aug. 2019 Through force of will, a massive infusion of personal cash and a folksy delivery that lent itself to Saturday Night Live caricature, here's what Perot brought to the national conversation. 2. Jamie Hancock, Dallas News, "Hearing on 'kids in cages,' tour of migrant facility, free rides for UT students," 11 July 2019 Wouldn’t an infusion of cash into the West Bank’s (and Gaza’s) infrastructure lead to a relaxation of extreme political demands all around? Bernard Avishai, The New Yorker, "Why Jared Kushner’s Bahrain Conference Won’t Do Much for the Palestinian Economy," 19 June 2019 With each infusion, the flavor changes, coming from different parts of the leaf and invigorating different parts of the tongue. National Geographic, "In search of the perfect cup of tea," 14 Mar. 2019

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

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First Known Use of infusion

15th century, in the meaning defined at sense 1

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Statistics for infusion

Last Updated

27 Aug 2019

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Time Traveler for infusion

The first known use of infusion was in the 15th century

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More Definitions for infusion



English Language Learners Definition of infusion

: the addition of something (such as money) that is needed or helpful
: a drink made by allowing something (such as tea) to stay in a liquid (such as hot water) : a drink made by infusing something
: the act of infusing something


in·​fusion | \ in-ˈfyü-zhən How to pronounce infusion (audio) \

Medical Definition of infusion

1a : the introducing of a solution (as of glucose or salt) especially into a vein also : the solution so used
b(1) : the steeping or soaking usually in water of a substance (as a plant drug) in order to extract its soluble constituents or principles — compare decoction sense 1
(2) : the liquid extract obtained by this process
2 : a watery suspension of decaying organic material culturing soil amebas in lettuce infusion

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More from Merriam-Webster on infusion

Rhyming Dictionary: Words that rhyme with infusion

Spanish Central: Translation of infusion

Nglish: Translation of infusion for Spanish Speakers

Britannica English: Translation of infusion for Arabic Speakers

Comments on infusion

What made you want to look up infusion? Please tell us where you read or heard it (including the quote, if possible).


to make a temporary encampment

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