Căm'bi-ŭm, n.

n. [Fr. & N. Lat. cambium.]

1. (Bot.) A viscid secretion which intervenes between the last formed layers of wood and bark. It was formerly regarded as mere glutinous sap, but is now held to be a mass of young cells filled with protoplasma, or formative matter, the inner part going to form new wood, and the outer new bark.
2. (Med.) A fancied nutritive juice, formerly supposed to originate in the blood, to repair losses of the system, and to promote its increase. Dunglison.