Definitionn. the older inactive central wood of a tree or woody plant
Last update: September 14, 2015
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The heartwood varies in colour from dark brown to pale yellowishbrown; hard, close-grained, and little liable to split accidentally, it is, for a hard wood, easy to work. [Please select]
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It is true, however, that sapwood is usually more free from latent defects than heartwood. [Please select]
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Heartwood does undergo changes, but they are gradual and almost entirely independent of the seasons. [Please select]
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In heartwood it occurs only in the first and last forms. [Please select]
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The heartwood apparently rots rapidly in juniper trees, but the sapwood remains intact for many years--even after the tree is lying on the ground. [Please select]
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HEARTWOOD AND SAPWOOD Examination of the end of a log of many species reveals a darker-colored inner portion--the _heartwood_, surrounded by a lighter-colored zone--the _sapwood_. [Please select]
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