a. [ad. late L. cambiāl-is, f. cambium: see CAMBIUM and -AL.]
1. Relating to exchange in commerce. [F. cambial.]
1864. in Webster.
2. Bot. Pertaining to cambium.
1881. Gard. Chron., No. 414. XVI. 726/3. The adventitious roots in the cambial region of the vascular bundles.
1882. Vines, Sachs’ Bot., 130. A middle layer of the cambial cells always remains capable of division.
