The dense, inner part of the wood of a tree trunk, yielding the hardest timber, often darker in colour and more resistant to decay than the…
| 单词 | θ215119 |
| 释义 | society > occupation and work > materials > raw material > wood > [noun] > wood from specific part of tree (6) heartwood?1575 The dense, inner part of the wood of a tree trunk, yielding the hardest timber, often darker in colour and more resistant to decay than the… wood1600 spec. (Horticulture and Botany) The hard compact fibrous substance lying between the bark outside and the pith within. alburnum1664 The whiter, softer, and more recently formed wood of a tree, situated between the bark and the heartwood; the sapwood. whitewood1668 The sapwood of a tree, which typically is paler than the heartwood; = alburnum, n. sap-wood1791 = alburnum, n. redwood1825 Scottish. = heartwood, n. 2. Obsolete. rare. |
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