in·​fu·​sion | \in-ˈfyü-zhən \

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

In choosing these two cities, Amazon rejected cities like Columbus, Indianapolis, and Philadelphia that really could have used an infusion of high-paying jobs. Timothy B. Lee, Ars Technica, "Amazon is getting more than $2 billion for NYC and Virginia expansions," 13 Nov. 2018 Accordion, which serves more than 150 fund managers and their portfolio companies, plans to use the capital infusion to cash out some early friends and family investors and to help fund the company’s expansion, Mr. Leopard said. Laura Kreutzer, WSJ, "FFL Provides Growth-Equity Investment for Accordion Partners," 10 Oct. 2018 Comcast, like anybody else, can appreciate good blockbuster potential as well—and with Universal’s Dark Universe franchise basically dead in the water, that company’s film arm could probably use an infusion of franchise gas. Laura Bradley, HWD, "What Disney and Comcast’s Battle Over Fox Means for Film and TV Fans," 14 June 2018 The Hopkins patient received an extra experimental step, an infusion of bone marrow from his donor that research suggests may help a recipient’s immune system better tolerate a transplant. Lauren Neergaard,, "US veteran who survived blast receives penis transplant," 23 Apr. 2018 Still, there's a toughness there that Ohio State could use an infusion of. Bill Landis,, "Ohio State basketball grad transfer tracker: Potential targets for the Buckeyes," 26 Mar. 2018 The new protocol, slightly revised from a previous proposal, would allow executioners to use a single infusion of Pentobarbital or Thiopental to put condemned inmates to death. Benjamin Oreskes,, "Essential California: A $1.5-million price tag for 7 days of work at a local water agency," 31 Jan. 2018 The infusion of transfers Ed Morrow (a rugged rebounder) and Joseph Chartouny (247 steals in three seasons at Fordham) should help shore up the defensive issues that held MU back last season. Ben Steele, Milwaukee Journal Sentinel, "Big East men's basketball off-season stock watch: Marquette up, Villanova down," 8 June 2018 Fewer than 1 percent of all cars in Florida are electric vehicles, and the infusion of money comes at a time when clean vehicle technology has struggled to gain a foothold in Tallahassee. Mary Ellen Klas, miamiherald, "VW has to pay Florida $166M after emissions scandal. How should we spend the money? | Miami Herald," 27 Apr. 2018

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

3 Dec 2018

Look-up Popularity

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 \

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

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to move with a clumsy heavy tread

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