heart·wood (härt w d )n. The older, nonliving central wood of a tree or woody plant, usually darker and harder than the younger sapwood. Also called duramen. |
heartwood [ˈhɑːtˌwʊd]
n
(Life Sciences & Allied Applications / Botany) 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
| heartwood (härtwd) 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. |
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. | heartwood - the older inactive central wood of a tree or woody plant; usually darker and denser than the surrounding sapwood tree - a tall perennial woody plant having a main trunk and branches forming a distinct elevated crown; includes both gymnosperms and angiosperms wood - the hard fibrous lignified substance under the bark of trees |
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