infusion

英[ɪn'fjuːʒ(ə)n] 美[ɪn'fjuʒn]

1. a solution obtained by steeping or soaking a substance (usually in water)

2. the process of extracting certain active properties (as a drug from a plant) by steeping or soaking (usually in water)

3. (medicine) the passive introduction of a substance (a fluid or drug or electrolyte) into a vein or between tissues (as by gravitational force)

4. 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"