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.
1a: the introducing of a solution (as of glucose or salt) especially into a veinalso: 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 decoctionsense 1
(2): the liquid extract obtained by this process
2: a watery suspension of decaying organic material
culturing soil amebas in lettuce infusion