Infusion

(-fü'zhun.) [From L. infusio, a pouring into.] (Pharm.) An aqueous solution of vegetable substances obtained without the aid of boiling. They are usually prepared by digesting in soft water (which may be hot or cold, according to circumstances,) the sliced or powdered substance in an earthenware ve el fitted with a cover. I. may be also prepared by percolation, a proce which is extensively employed in the preparation of tinctures. When thus prepared, they are le liable to decay than when prepared on the old system. [s. 484]