alburnumn.

Brit.

/alˈbəːnəm/, U.S.

/ælˈbərnəm/

Origin: A borrowing from Latin. Etymon: Latin alburnum.

Etymology: < classical Latin alburnum (Pliny), use as noun of neuter of alburnus white, gleaming (attested in undated glossaries) < albus white (see album n.²) + -urnus , perhaps after eburnus made of ivory (see eburnation n.).

The whiter, softer, and more recently formed wood of a tree, situated between the bark and the heartwood; the sapwood.

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

1664 J. Evelyn Sylva xxx. 95 That fatty, whiter, and softer part, call'd by the Ancients Alburnum, which you are diligently to hew away.

1751 E. F. Geoffroy New Treat. Brit. & Foreign Veg. 107 The external part [of the wood], which is the Alburnum, or Sap, is of a Colour like Box, or a pale Yellow, with a bitterish..Taste.

1775 S. F. Simmons tr. C. Person Elements Anat. & Animal Œcon. 7 It is by the hardening of the alburnum..in trees that the timber is formed.

1809 Nat. Hist. in Ann. Reg. 793/1 The buds of trees invariably spring from their Alburnum.

1872 H. Macmillan True Vine iii. 121 The branch, in its most vital part, must come into closest contact with the vine in its most vital part,..the two alburnums and the two libers.

1900 A. S. Fuller Pract. Forestry 21 Some kinds of trees have very thin layers of alburnum, especially those of slow growth, while the stems of others appear to be all sap-wood.

1927 Science 11 Nov. 456/2 As in most other woody stems, the wood-parenchyma and ray-parenchyma cells of the alburnum or whitish sapwood are living and densely packed with starch.

2008 Y. M. J. Lammers-Keijsers et al. Tracing Traces iii. 43 The alburnum has a much softer consistency and is not really suitable for the manufacturing of objects.

This entry has been updated (OED Third Edition, September 2012; most recently modified version published online December 2021).

单词	alburnum
释义	alburnumn. Brit. /alˈbəːnəm/, U.S. /ælˈbərnəm/ Origin: A borrowing from Latin. Etymon: Latin alburnum. Etymology: < classical Latin alburnum (Pliny), use as noun of neuter of alburnus white, gleaming (attested in undated glossaries) < albus white (see album n.²) + -urnus , perhaps after eburnus made of ivory (see eburnation n.). The whiter, softer, and more recently formed wood of a tree, situated between the bark and the heartwood; the sapwood. 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 1664 J. Evelyn Sylva xxx. 95 That fatty, whiter, and softer part, call'd by the Ancients Alburnum, which you are diligently to hew away. 1751 E. F. Geoffroy New Treat. Brit. & Foreign Veg. 107 The external part [of the wood], which is the Alburnum, or Sap, is of a Colour like Box, or a pale Yellow, with a bitterish..Taste. 1775 S. F. Simmons tr. C. Person Elements Anat. & Animal Œcon. 7 It is by the hardening of the alburnum..in trees that the timber is formed. 1809 Nat. Hist. in Ann. Reg. 793/1 The buds of trees invariably spring from their Alburnum. 1872 H. Macmillan True Vine iii. 121 The branch, in its most vital part, must come into closest contact with the vine in its most vital part,..the two alburnums and the two libers. 1900 A. S. Fuller Pract. Forestry 21 Some kinds of trees have very thin layers of alburnum, especially those of slow growth, while the stems of others appear to be all sap-wood. 1927 Science 11 Nov. 456/2 As in most other woody stems, the wood-parenchyma and ray-parenchyma cells of the alburnum or whitish sapwood are living and densely packed with starch. 2008 Y. M. J. Lammers-Keijsers et al. Tracing Traces iii. 43 The alburnum has a much softer consistency and is not really suitable for the manufacturing of objects. This entry has been updated (OED Third Edition, September 2012; most recently modified version published online December 2021). < n.1664
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