heartwood

[ hahrt-wood ]

/ ˈhɑrtˌwʊd /

noun

the hard central wood of the trunk of an exogenous tree; duramen.

Origin of heartwood

First recorded in 1795–1805; heart + wood¹

Words nearby heartwood

heart-to-heart, heart urchin, heartwarming, heart-water, heart-whole, heartwood, heartworm, heart-wrenching, hearty, heat, heat barrier

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for heartwood

Nearly all the larger trees in the Fuegian forests have the heartwood decayed, and are worthless as timber.
The Land of Fire|Mayne Reid
Heartwood does undergo changes, but they are gradual and almost entirely independent of the seasons.
The Mechanical Properties of Wood|Samuel J. Record
A stub left on a trunk or large branch does not heal, but soon begins to rot at the end where the heartwood is exposed.
Apple Growing|M. C. Burritt
It is true that sapwood will not resist decay as long as heartwood, if both are untreated with preservatives.
The Mechanical Properties of Wood|Samuel J. Record

Sapwood, as a rule, shrinks more than heartwood of the same weight, but very heavy heartwood may shrink more than lighter sapwood.
Seasoning of Wood|Joseph B. Wagner

British Dictionary definitions for heartwood

heartwood

/ (ˈhɑːtˌwʊd) /

noun

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

Scientific definitions for heartwood

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.

单词	heartwood
释义	heartwood [ hahrt-wood ] / ˈhɑrtˌwʊd / noun the hard central wood of the trunk of an exogenous tree; duramen. Origin of heartwood First recorded in 1795–1805; heart + wood¹ Words nearby heartwood heart-to-heart, heart urchin, heartwarming, heart-water, heart-whole, heartwood, heartworm, heart-wrenching, hearty, heat, heat barrier Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for heartwood Nearly all the larger trees in the Fuegian forests have the heartwood decayed, and are worthless as timber. The Land of Fire\|Mayne Reid Heartwood does undergo changes, but they are gradual and almost entirely independent of the seasons. The Mechanical Properties of Wood\|Samuel J. Record A stub left on a trunk or large branch does not heal, but soon begins to rot at the end where the heartwood is exposed. Apple Growing\|M. C. Burritt It is true that sapwood will not resist decay as long as heartwood, if both are untreated with preservatives. The Mechanical Properties of Wood\|Samuel J. Record Sapwood, as a rule, shrinks more than heartwood of the same weight, but very heavy heartwood may shrink more than lighter sapwood. Seasoning of Wood\|Joseph B. Wagner British Dictionary definitions for heartwood heartwood / (ˈhɑːtˌwʊd) / noun 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 Scientific definitions for heartwood 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. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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