ETYM Latin infusio a pouring in: cf. French infusion. Related to Infuse.
In medicine, slow injection of a drug or therapeutic substance into the body.
1. A solution obtained by steeping or soaking a substance (usually in water); SYN. extract.
2. The passive introduction of a substance (a fluid or drug or electrolyte) into a vein or between tissues (as by gravitational force).
Old material that is slightly reworked and used again