heartwood
[hahrt-woo d]
- the hard central wood of the trunk of an exogenous tree; duramen.
Origin of heartwood
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for heartwood
Contemporary Examples
She also authored Heartwood, a story collection for adult literacy students, and edited The Ringing Ear: Black Poets Lean South.
Historical Examples
The duramen or heartwood is the inner, darker part of the log.
Seasoning of WoodJoseph B. Wagner
It was significant that practically all of the checking occurred in the heartwood.
Seasoning of WoodJoseph B. Wagner
The heartwood is darker than in most oaks, and the sapwood is brown.
American Forest TreesHenry H. Gibson
The heartwood forms while the tree is living, not after it dies.
American Forest TreesHenry H. Gibson
Posts sawed from the heartwood of large trees would do better.
American Forest TreesHenry H. Gibson
heartwood
- the central core of dark hard wood in tree trunks, consisting of nonfunctioning xylem tissue that has become blocked with resins, tannins, and oilsCompare sapwood
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
heartwood
[härt′wud′]
- The older, nonliving central wood of a tree or woody plant, usually darker and harder than the younger sapwood. Unlike the sapwood, it no longer conducts water, and its main function is the support of the tree.
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