infusion

noun

in·​fu·​sion in-ˈfyü-zhən How to pronounce infusion (audio)
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
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
These contracts are looked to as avenues to provide cash infusions to help with revenue shortfalls on campuses. Andy Greder, Twin Cities, 19 Sep. 2025 Private equity buyouts often not only don’t provide for those needed ongoing infusions of capital, but they’re also routinely structured to require regular dividends returned to the investors as well. Jim Vinoski, Forbes.com, 17 Sep. 2025 With refreshing drinks like passion fruit lemonade, hibiscus infusion and soursop lemonade, your tastebuds are sure to do a happy dance at Rasin Haitian Restaurant. Loán Lake, Charlotte Observer, 16 Sep. 2025 But while the average age of the team did get younger, the young core it is being built around got one year older and the infusion of talent means competition for roles and ice time will be fierce. Arpon Basu, New York Times, 15 Sep. 2025 See All Example Sentences for infusion

Word History

Etymology

Middle English infusion, infusioun "act of pouring in (a medicine), injection, what is poured in, liquid extract," borrowed from Anglo-French & Latin; Anglo-French infusion "liquid extract," borrowed from Latin infūsiōn-, infūsiō "pouring in (of a medicament)," from infud-, variant stem of infundere "to pour in, instill" + -tiōn-, -tiō, suffix of action nouns — more at infuse

First Known Use

15th century, in the meaning defined at sense 1

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

Cite this Entry

“Infusion.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/infusion. Accessed 24 Sep. 2025.

Kids Definition

infusion

noun
in·​fu·​sion in-ˈfyü-zhən How to pronounce infusion (audio)
1
: the act or process of infusing
an infusion of new ideas
2
: a product obtained by infusing
a strong infusion of tea

Medical Definition

infusion

noun
in·​fusion in-ˈfyü-zhən How to pronounce infusion (audio)
1
a
: 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

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