HEARTWOOD

Pronunciation (US):

(GB):

 I. (noun) 

Sense 1

Meaning:

The older inactive central wood of a tree or woody plant; usually darker and denser than the surrounding sapwood

Synonyms:

duramen; heartwood

Classified under:

Nouns denoting plants

Hypernyms ("heartwood" is a kind of...):

wood (the hard fibrous lignified substance under the bark of trees)

Holonyms ("heartwood" is a substance of...):

tree (a tall perennial woody plant having a main trunk and branches forming a distinct elevated crown; includes both gymnosperms and angiosperms)

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