Definition of heartwood
: the older harder nonliving central wood of trees that is usually darker, denser, less permeable, and more durable than the surrounding sapwood
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Circa 1575
First Known Use of heartwood
circa 1575
HEARTWOOD Defined for Kids
heartwood
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noun
heart·wood
\ˈhärt-ˌwu̇d\
Definition of heartwood for Students
: the usually dark wood in the center of a tree
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See words that rhyme with heartwood Britannica.com: Encyclopedia article about heartwood
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