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

Up until a few months ago, the Rays had been looking for investors to buy minority shares in the team, which would have provided a cash infusion for stadium construction, but Sternberg now appears more focused on selling the team outright. —John Romano, Orlando Sentinel, 2 Feb. 2025

Or, your home environment could suddenly feel like a sanctuary, with an infusion of love and creativity that makes your living space feel like a dream come true. —Valerie Mesa, People.com, 31 Jan. 2025

And perhaps there would be a new wave of evening activities fueled by a promising civic initiative to revitalize downtown with an infusion of art, culture and entertainment. —Andy Shaw, Chicago Tribune, 31 Jan. 2025

The treatments range from oral medications to infusions to help ward off relapses, slow down the disease progression, and ease inflammation in the central nervous system. —Cindy Krischer Goodman, Sun Sentinel, 28 Jan. 2025

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