ALBURNUM

ALBURN'UM, n. [L. alburnum, from albus, white.]The white and softer part of wood, between the inner bark and wood. In America, it is popularly called the sap. This is annually acquiring hardness, and becoming wood.

---

Al‐bur″num (�), n. [[L., fr. albus white.]] (Bot.) The white and softer part of wood, between the inner bark and the hard wood or duramen; sapwood.