a. [f. ALBURN-UM + -OUS.] Of, or of the nature of, alburnum.
1803. Knight, in Phil. Trans., XCIII. 289. Between the cortical and alburnous substances.
1814. Sir H. Davy, Agric. Chem., 72. In bulbous roots, the alburnous substance forms the largest part of the vegetable.
