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" ;