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单词 sap-wood
释义

sap-woodn.

Etymology: sap n.1Previous versions of the OED give the stress as: ˈsap-wood.
= alburnum n.
ΘΚΠ
the world > plants > part of plant > part of tree or woody plant > wood > [noun] > young wood or alburnum
sapc1374
body?1523
wood?1523
alburnum1664
whitewood1668
blea1736
softwood1751
sap-wood1791
alburn1864
included sapwood1933
society > occupation and work > materials > raw material > wood > [noun] > wood from specific part of tree
heartwood?1575
wood1600
alburnum1664
whitewood1668
sap-wood1791
redwood1825
1791 E. Darwin Bot. Garden: Pt. I i. Add. Notes 96 The placental vessels..are transformed from sap-wood..into inert wood.
1815 J. Smith Panorama Sci. & Art I. 258 Boards..free from..sap-wood.
1887 C. A. Moloney Sketch Forestry W. Afr. 353 A deep reddish-brown heartwood and light sap-wood.
This entry has not yet been fully updated (first published 1909; most recently modified version published online September 2021).
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更新时间:2024/12/23 13:29:36