after-chromeadj.

Brit.

/ˈɑːftəkrəʊm/,

/ˈaftəkrəʊm/, U.S.

/ˈæftərˌkroʊm/

Origin: Formed within English, by derivation. Etymons: after- prefix, chrome n.

Etymology: < after- prefix + chrome n., after after-chroming n. or after-chrome v.

attributive. Used in or relating to the process of applying a mordant to an already dyed material; designating this process; (of a dye) subjected to or requiring after-chroming.

ΘΚΠ

the world > matter > colour > colouring > dyeing > [adjective] > process or technique

woaded1579

galled1581

overdyeda1616

wool-dyed1832

piece-dyed1841

chromed1876

yarn-dyed1885

yūzen1902

box-coloured1903

tie-dyed1903

after-chrome1904

batik1914

vat-dyed1946

premetallized1949

spun-dyed1955

spin-dyed1963

1904 Jrnl. Soc. Dyers & Colourists 20 289 (table) Gives violet to blue after-chrome colours.

1914 Bull. National Assoc. Wool Manufacturers 44 171 Regarding the use of after-chrome dyes or those dyes the nature of which permits the addition of chrome to the dye-bath, the absolute necessity of using previously well scoured wool is of importance.

1946 Nature 21 Dec. 920/2 Laboratory methods of dyeing after-chrome blacks.

1993 New Scientist 7 Aug. 14/3 Next, the researchers tried one of the most common ways of dyeing wool, known as the afterchrome method. This involves first dyeing the fibre and then fixing the dye with chromium ions.

2003 H. Zollinger Color Chem. (ed. 3) vii. 215 One or two decades ago, some 30% of all woolen goods had been dyed according to the afterchrome process, which guarantees the highest fastness properties.

This entry has been updated (OED Third Edition, September 2011; most recently modified version published online December 2021).

after-chromev.

Brit.

/ˈɑːftəkrəʊm/,

/ˈaftəkrəʊm/, U.S.

/ˈæftərˌkroʊm/

Origin: Formed within English, by derivation. Etymons: after- prefix, chrome v.

Etymology: < after- prefix + chrome v. Compare after-chroming n.

transitive. To apply a mordant to (an already dyed material); to subject to after-chroming. Occasionally also intransitive.

ΚΠ

1890 Chem. Trade Jrnl. 12 Apr. 241/2 It is most probable that in after-chroming a finishing by the use of too much bichromate of potash, the logwood black is rendered liable to turn green.

1899 Jrnl. Soc. Chem. Industry 30 Nov. 1017/2 After boiling the goods for ¾ hour, about 15 per cent. of cream of tartar is added..and boiling continued until the bath is nearly exhausted, whereupon they are transferred to fresh water and after-chromed by gentle boiling.

1902 Fibre & Fabric 23 Aug. 17/2 To after chrome, dye in a strongly acid bath..and then, when the bath is exhausted, treat the goods in the same or in a fresh bath with the 3 per cent of bichromate or 1½ to 4 percent of chromium fluoride.

1917 M. Fort & L. Lloyd Chem. Dyestuffs xiii. 112 Acid mordant dyes may be first dyed on wool like acid dyes and then after-chromed.

1977 Brit. Patent 1,487,539 3/1 100 parts of dyed wool are after-chromed with 2.5 parts of K₂Cr₃O₇, for 100 parts of dyed wool.

Derivatives

ˈafter-chromed adj. subjected to after-chroming.

ΚΠ

1901 Fibre & Fabric 21 Sept. 67/2 Usually, directly produced and after-chromed black colors, with artificial dyes, are faster than when the goods are mordanted first.

1905 L. Cassella Dyeing of Wool 63 For shading the already afterchromed dyeings the same Anthracene Colours..are usually applied.

1997 J. R. Aspland Textile Dyeing & Coloration xvii. 248 Some 1:2, metal-dye complexes have been extracted from mordant dyed, afterchromed wool.

This entry has been updated (OED Third Edition, September 2011; most recently modified version published online December 2021).

单词	after-chrome
释义	after-chromeadj. Brit. /ˈɑːftəkrəʊm/, /ˈaftəkrəʊm/, U.S. /ˈæftərˌkroʊm/ Origin: Formed within English, by derivation. Etymons: after- prefix, chrome n. Etymology: < after- prefix + chrome n., after after-chroming n. or after-chrome v. attributive. Used in or relating to the process of applying a mordant to an already dyed material; designating this process; (of a dye) subjected to or requiring after-chroming. ΘΚΠ the world > matter > colour > colouring > dyeing > [adjective] > process or technique woaded1579 galled1581 overdyeda1616 wool-dyed1832 piece-dyed1841 chromed1876 yarn-dyed1885 yūzen1902 box-coloured1903 tie-dyed1903 after-chrome1904 batik1914 vat-dyed1946 premetallized1949 spun-dyed1955 spin-dyed1963 1904 Jrnl. Soc. Dyers & Colourists 20 289 (table) Gives violet to blue after-chrome colours. 1914 Bull. National Assoc. Wool Manufacturers 44 171 Regarding the use of after-chrome dyes or those dyes the nature of which permits the addition of chrome to the dye-bath, the absolute necessity of using previously well scoured wool is of importance. 1946 Nature 21 Dec. 920/2 Laboratory methods of dyeing after-chrome blacks. 1993 New Scientist 7 Aug. 14/3 Next, the researchers tried one of the most common ways of dyeing wool, known as the afterchrome method. This involves first dyeing the fibre and then fixing the dye with chromium ions. 2003 H. Zollinger Color Chem. (ed. 3) vii. 215 One or two decades ago, some 30% of all woolen goods had been dyed according to the afterchrome process, which guarantees the highest fastness properties. This entry has been updated (OED Third Edition, September 2011; most recently modified version published online December 2021). after-chromev. Brit. /ˈɑːftəkrəʊm/, /ˈaftəkrəʊm/, U.S. /ˈæftərˌkroʊm/ Origin: Formed within English, by derivation. Etymons: after- prefix, chrome v. Etymology: < after- prefix + chrome v. Compare after-chroming n. transitive. To apply a mordant to (an already dyed material); to subject to after-chroming. Occasionally also intransitive. ΚΠ 1890 Chem. Trade Jrnl. 12 Apr. 241/2 It is most probable that in after-chroming a finishing by the use of too much bichromate of potash, the logwood black is rendered liable to turn green. 1899 Jrnl. Soc. Chem. Industry 30 Nov. 1017/2 After boiling the goods for ¾ hour, about 15 per cent. of cream of tartar is added..and boiling continued until the bath is nearly exhausted, whereupon they are transferred to fresh water and after-chromed by gentle boiling. 1902 Fibre & Fabric 23 Aug. 17/2 To after chrome, dye in a strongly acid bath..and then, when the bath is exhausted, treat the goods in the same or in a fresh bath with the 3 per cent of bichromate or 1½ to 4 percent of chromium fluoride. 1917 M. Fort & L. Lloyd Chem. Dyestuffs xiii. 112 Acid mordant dyes may be first dyed on wool like acid dyes and then after-chromed. 1977 Brit. Patent 1,487,539 3/1 100 parts of dyed wool are after-chromed with 2.5 parts of K₂Cr₃O₇, for 100 parts of dyed wool. Derivatives ˈafter-chromed adj. subjected to after-chroming. ΚΠ 1901 Fibre & Fabric 21 Sept. 67/2 Usually, directly produced and after-chromed black colors, with artificial dyes, are faster than when the goods are mordanted first. 1905 L. Cassella Dyeing of Wool 63 For shading the already afterchromed dyeings the same Anthracene Colours..are usually applied. 1997 J. R. Aspland Textile Dyeing & Coloration xvii. 248 Some 1:2, metal-dye complexes have been extracted from mordant dyed, afterchromed wool. This entry has been updated (OED Third Edition, September 2011; most recently modified version published online December 2021). < adj.1904v.1890
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