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 The surprise team of the NBA offseason is not the Miami Heat and their dramatics, or the Los Angeles Lakers and their new infusion of talent. Tom Rende, Forbes, 29 Aug. 2021 In Milwaukee, experts are pinning their hopes on the one-time infusion of $10 million for a new initiative, poised to launch in southeast Wisconsin - if infighting doesn't derail it. Crocker Stephenson, Milwaukee Journal Sentinel, 23 Aug. 2021 The infusion of interest and support from Hy-Vee, Penske said, made Thursday's news possible. Nathan Brown, The Indianapolis Star, 19 Aug. 2021 Nix and Ursula Lawrence, Mobile Infirmary vice president and chief nursing officer, said that Mobile Infirmary already performs about 40 of the infusion treatments a day. al, 18 Aug. 2021 The infusion of funding follows years of warnings from across the federal government of the vulnerability of critical infrastructure to cyberattacks., 14 Aug. 2021 The infusion of funding follows years of warnings from across the federal government of the vulnerability of U.S. critical infrastructure to cyberattacks. Washington Post, 14 Aug. 2021 That transit investment marks the most significant infusion of cash in the country's railways since the creation of Amtrak about half a century ago, the White House said. Compiled Democrat-gazette Staff From Wire Reports, Arkansas Online, 11 Aug. 2021 The $39 billion for bus and rail systems represents the biggest infusion for transit modernization in history. Los Angeles Times, 30 July 2021

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

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Dictionary Entries Near infusion

infusible white precipitate



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Last Updated

10 Sep 2021

Cite this Entry

“Infusion.” Dictionary, Merriam-Webster, Accessed 17 Sep. 2021.

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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

More from Merriam-Webster on infusion

Nglish: Translation of infusion for Spanish Speakers

Britannica English: Translation of infusion for Arabic Speakers


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