heartwood 1
noundomain: plant
Princeton WordNet [ver.3.1]
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EnglishDefinition
the older inactive central wood of a tree or woody plant; usually darker and denser than the surrounding sapwood
EnglishHyponym
agarwood 1
noun
a dark resinous heartwood that forms in Aquilaria trees when they become infected with a type of mould (Phialophora parasitica).
Substance_holonym
tree 1
noun
a tall perennial woody plant having a main trunk and branches forming a distinct elevated crown; includes both gymnosperms and angiosperms
