infusion

(in-fu'zhun) [L. in, into, fundere, to pour.] I. The proce of steeping a substance in water, either cold or hot but below the boiling point, in order to extract its soluble principles; distinguished from decoction, which is effected with boiling water. ^. medicinal preparation obtained by steeping the crude drug in Water; for the official infusions see infusUm.