heartwood : Dictionary / Wörterbuch (BEOLINGUS, TU Chemnitz)

English Dictionary: heartwood	by the DICT Development Group
2 results for heartwood
From WordNet (r) 3.0 (2006) [wn]:
heartwood n the older inactive central wood of a tree or woody plant; usually darker and denser than the surrounding sapwood Synonym(s): heartwood, duramen
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Heartwood \Heart"wood`\, n. The hard, central part of the trunk of a tree, consisting of the old and matured wood, and usually differing in color from the outer layers. It is technically known as duramen, and distinguished from the softer sapwood or alburnum.