HEARTWOOD


Meaning of HEARTWOOD in English

( 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.

Webster's Revised Unabridged English Dictionary.      Пересмотренный полный словарь английского языка Webster.