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Heartwood
//ˈhɑɹtˌwʊd//
"Heartwood" in a Sentence (2 examples)
A popular myth is that heartwood is stronger than sapwood.
The staves are split from the heartwood. The heartwood is composed of dead cells; it supports the tree, but no longer has any physiological purpose. The staves must follow the grain of the wood to achieve a watertight cask, so they are split rather than sawn. — L'encyclopédie du Cognac: From log to stave
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Unscramble this word: heartwood