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

Example Sentences

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 Children under 12 are eligible for three-day courses of remdesivir, given by IV infusion—but those are a tough ask for many families who don’t have the time or means to make such frequent trips to the hospital, Nakamura told me. Katherine J. Wu, The Atlantic, 29 Oct. 2022 People getting the treatment – which is given by IV infusion once every two weeks – can have reactions that include shaking, chills and a low-grade fever. Brenda Goodman, CNN, 4 Oct. 2022 After a brief infusion, it is chilled so the fat is easily strained out, leaving only its flavor behind. J.m. Hirsch, USA TODAY, 4 Oct. 2022 In Intellia’s trials, patients receive a one-time IV infusion of these Crispr-laden nanoparticles into the veins in their arms. WIRED, 23 Sep. 2022 For the first few days after the infusion, BeHanna felt fine. Debby Waldman, NBC News, 23 Aug. 2022 More than 225,000 people globally have been treated with Ocrevus, which is administered through an IV infusion twice a year. Essence, 25 July 2022 In the early-stage study, six of eight patients achieved complete remissions after a single infusion of Adicet’s therapy, called ADI-001. Adam Feuerstein, STAT, 8 June 2022 They are most often given through IV infusion, though some can be delivered with an injection. Jonel Aleccia, Quartz, 22 Jan. 2022 See More

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.

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

Dictionary Entries Near infusion

Cite this Entry

“Infusion.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/infusion. Accessed 27 Nov. 2022.

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

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