heartwood
[ hahrt-woo d ]
/ ˈhɑrtˌwʊd /
noun
the hard central wood of the trunk of an exogenous tree; duramen.
Words nearby heartwood
heartsore,
heartstopper,
heartstrings,
heartthrob,
heartwarming,
heartwood,
heartworm,
hearty,
heat,
heat barrier,
heat capacity
Example sentences from the Web for heartwood
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 oils
Compare sapwood
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.