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
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 The infusion of fresh blood is good news for a sport that has been ruled by the same handful of names for the last two decades. 
Brett Knight, Forbes, 25 Aug. 2022 Supporters say the infusion of cash is necessary to revamp aging buildings, upgrade athletic fields and outfit classrooms with new technology across the district’s nine campuses, the largest community college system in California. Debbie Truongstaff Writer, Los Angeles Times, 5 Aug. 2022 Rena Bitter, the assistant secretary for consular affairs at the State Department, said in an email that the infusion of cash was necessary because the department’s budget had been dealt a real blow by the pandemic. New York Times, 16 July 2022 The cash infusion was arranged through an unusual series of transactions that appear to have avoided tax liabilities. Shane Goldmacher, BostonGlobe.com, 22 Aug. 2022 The cash infusion was arranged through an unusual series of transactions that appear to have avoided tax liabilities. New York Times, 22 Aug. 2022 While the CARES Act provided a cash infusion nationwide which increased inflation, the demand for goods exceeding the supply has exacerbated the issue. Anchorage Daily News, 7 Aug. 2022 The cash infusion enabled him to begin airing television ads last fall, a move that helped raise his name identification in an effort to steadily close the gap with Barnes, the front runner. Bill Glauber, Journal Sentinel, 27 July 2022 The new cash infusion will allow SANDAG to compete for matching funds from the $1.2 trillion infrastructure package passed by Congress last year, said SANDAG Executive Director Hasan Ikhrata. Joshua Emerson Smith, San Diego Union-Tribune, 1 July 2022 See More
Brett Knight, Forbes, 25 Aug. 2022 Supporters say the infusion of cash is necessary to revamp aging buildings, upgrade athletic fields and outfit classrooms with new technology across the district’s nine campuses, the largest community college system in California. Debbie Truongstaff Writer, Los Angeles Times, 5 Aug. 2022 Rena Bitter, the assistant secretary for consular affairs at the State Department, said in an email that the infusion of cash was necessary because the department’s budget had been dealt a real blow by the pandemic. New York Times, 16 July 2022 The cash infusion was arranged through an unusual series of transactions that appear to have avoided tax liabilities. Shane Goldmacher, BostonGlobe.com, 22 Aug. 2022 The cash infusion was arranged through an unusual series of transactions that appear to have avoided tax liabilities. New York Times, 22 Aug. 2022 While the CARES Act provided a cash infusion nationwide which increased inflation, the demand for goods exceeding the supply has exacerbated the issue. Anchorage Daily News, 7 Aug. 2022 The cash infusion enabled him to begin airing television ads last fall, a move that helped raise his name identification in an effort to steadily close the gap with Barnes, the front runner. Bill Glauber, Journal Sentinel, 27 July 2022 The new cash infusion will allow SANDAG to compete for matching funds from the $1.2 trillion infrastructure package passed by Congress last year, said SANDAG Executive Director Hasan Ikhrata. Joshua Emerson Smith, San Diego Union-Tribune, 1 July 2022 See More 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
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