"infusion" in the noun sense
1. infusion, extract
a solution obtained by steeping or soaking a substance (usually in water)
2. infusion
the process of extracting certain active properties (as a drug from a plant) by steeping or soaking (usually in water)
3. infusion
medicine) the passive introduction of a substance (a fluid or drug or electrolyte) into a vein or between tissues (as by gravitational force)
4. infusion
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"
Source: WordNet® (An amazing lexical database of English)
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