say it: in-FYOO-zhuhn
infusion is a noun meaning "a solution obtained by steeping or soaking a substance (usually in water)". It carries 4 recorded senses.
a solution obtained by steeping or soaking a substance (usually in water)
the process of extracting certain active properties (as a drug from a plant) by steeping or soaking (usually in water)
(medicine) the passive introduction of a substance (a fluid or drug or electrolyte) into a vein or between tissues (as by gravitational force)
medicine
the act of infusing or introducing a certain modifying element or quality
“the team's continued success is attributable to a steady infusion of new talent”
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for infusion come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.