infusion

noun

in·​fu·​sion in-ˈfyü-zhən 

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

This treatment involves wearing a cooling cap before, during, and after chemotherapy infusions. —Doru Paul, Verywell Health, 25 Apr. 2024

With three temperature settings, an even infusion of water, and more control over extraction, this machine delivers a quality espresso. —Megan Boettcher, Better Homes & Gardens, 24 Apr. 2024

WuXi companies also make an infusion for treatment-resistant H.I.V., a drug for advanced ovarian cancer and a therapy for adults with a rare disorder called Pompe disease. —Christina Jewett, New York Times, 15 Apr. 2024

It has been widely speculated that the cash infusion from Truth Social could help Trump pay off his immense pile of legal bills. —Lucas Ropek / Gizmodo, Quartz, 3 Apr. 2024

The deal is also poised to deliver a vital $300 million cash infusion to TMTG. —Helen Coster and Svea Herbst-Bayliss, USA TODAY, 22 Mar. 2024

This capability is pivotal for applications leveraging LLMs, ensuring the timely infusion of new insights into the system. —Tyler Shepherd, USA TODAY, 12 Apr. 2024

The slow infusion of water with the coffee grounds pulls out all the great flavors of the roast and leaves behind the stuff that can make coffee taste bitter. —Megan Boettcher, Better Homes & Gardens, 11 Apr. 2024

The Pentagon has provided Ukraine with thousands of Iranian-origin weapons seized en route to Houthi militants in Yemen, U.S. officials said Tuesday, marking the Biden administration’s latest infusion of emergency support for Kyiv while a multibillion-dollar aid package remains stalled in Congress. —Alex Horton, Washington Post, 9 Apr. 2024

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

Kids Definition

infusion

noun

in·​fu·​sion in-ˈfyü-zhən 

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 

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