overbleachingn.

Brit.

/ˌəʊvəˈbliːtʃɪŋ/, U.S.

/ˌoʊvərˈblitʃɪŋ/

Origin: Formed within English, by derivation. Etymons: overbleach v., -ing suffix¹.

Etymology: < overbleach v. + -ing suffix¹.

The action of overbleach v.

ΘΚΠ

the world > matter > colour > named colours > white or whiteness > whitening > [noun] > bleaching

whiting?a1425

bleaching1552

dealbation1608

overbleaching1921

1921 S. H. Higgins Bleaching xiii. 111 The ‘copper value’ standardised by Schwalbe is the most definite measure available for the diagnosis of chemical modification in celluloses, particularly by overbleaching.

1946 L. E. Wise Wood Chem. vi. 150 In pulp manufacture, overbleaching gives a paper with lowered strength, due to oxycellulose formation.

1997 M. B. Cohn tr. C. James Old Master Prints & Drawings 198 The effects of overbleaching are physically and aesthetically disastrous for works of art on paper.

This entry has been updated (OED Third Edition, December 2004; most recently modified version published online March 2022).

单词	overbleaching
释义	overbleachingn. Brit. /ˌəʊvəˈbliːtʃɪŋ/, U.S. /ˌoʊvərˈblitʃɪŋ/ Origin: Formed within English, by derivation. Etymons: overbleach v., -ing suffix¹. Etymology: < overbleach v. + -ing suffix¹. The action of overbleach v. ΘΚΠ the world > matter > colour > named colours > white or whiteness > whitening > [noun] > bleaching whiting?a1425 bleaching1552 dealbation1608 overbleaching1921 1921 S. H. Higgins Bleaching xiii. 111 The ‘copper value’ standardised by Schwalbe is the most definite measure available for the diagnosis of chemical modification in celluloses, particularly by overbleaching. 1946 L. E. Wise Wood Chem. vi. 150 In pulp manufacture, overbleaching gives a paper with lowered strength, due to oxycellulose formation. 1997 M. B. Cohn tr. C. James Old Master Prints & Drawings 198 The effects of overbleaching are physically and aesthetically disastrous for works of art on paper. This entry has been updated (OED Third Edition, December 2004; most recently modified version published online March 2022). < n.1921
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