discolourationdiscolorationn.

Brit.

/dɪskʌləˈreɪʃn/, U.S.

/dɪˌskələˈreɪʃən/

Forms: 1500s– discoloration, 1600s– discolouration.

Origin: Formed within English, by derivation. Etymons: discolour v., -ation suffix.

Etymology: < discolour v. + -ation suffix. Compare later discolorate v. Compare post-classical Latin discoloratio (13th cent. in a British source), Middle French descoloracion , discoloracion (second half of the 15th cent.). Compare earlier discolour n., discolouring n., and later decoloration n.

1. The action or an act of becoming discoloured; the state or condition of being discoloured; loss or change of colour.

ΘΚΠ

the world > matter > colour > change of colour > [noun]

discoloura1398

discolouring?a1425

discolouration1545

discolouredness1585

transcoloration1664

discolourment1762

discolorization1827

metachromatism1876

metachromism1876

metachrosis1887

tinctumutation1895

electrochromism1961

the world > matter > colour > state or mode of having colour > absence of colour > [noun] > loss of colour

discoloura1398

palingc1450

discolouration1545

discolouredness1585

discolouring1598

decoloration1623

etiolation1784

discolourment1821

pallescence1822

discolorization1827

lightening1839

decolorizing1861

decolorization1871

the world > physical sensation > cleanness and dirtiness > dirtiness > dirt > soiled condition > [noun] > dinginess or discolouration

discolouration1545

tarnish1713

dinginess1758

miscoloration1822

discolorization1827

dinge1846

1545 T. Raynald & R. Jonas in tr. E. Roesslin Byrth of Mankynde iv. sig. Y.viii^v This is also very good for the morpheu, and other discoloration or staynynge of the skyn.

1616 J. Cotta Triall Witch-craft ii. 17 Of this euill discoloration of her heart..what possible..art of man could euer in her life time giue any notice or information?

1642 H. More Ψυχωδια Platonica sig. K2^v Pure light without discolouration.

1712 J. Morton Nat. Hist. Northants. vi. 384 Sometimes the Discoloration goes so far, that the Leaves are almost all over White.

1763 W. Lewis Commercium Philosophico-technicum 38 There is no other metallic body, so little susceptible of tarnish or discoloration.

1817 D. P. Blaine Canine Pathol. 134 The strong coarse kind, called wire hair, is peculiarly liable to suffer this discolouration.

1892 R. L. Stevenson Across Plains i. 44 With none of the litter and discoloration of human life.

1935 Bull. Misc. Information (Royal Bot. Gardens, Kew) 620 In addition to the usual change of labels every few years owing to discoloration, many name changes had to be made.

1971 Daily Tel. 24 Aug. 5 (advt.) Plaque produces the harmful acids and chemicals that cause tooth decay and discoloration.

2006 Gardens Monthly Apr. 100/2 Water-based treatments designed to prevent surface discoloration are a good option.

2. A discoloured mark, patch, etc.; a stain, a blemish.

ΘΚΠ

the world > physical sensation > cleanness and dirtiness > dirtiness > dirt > soiled condition > [noun] > stained condition > stain

lita1325

pleckc1350

blotc1400

smodc1400

discolouring?a1425

spot?a1425

stain1583

denigration1641

discolouration1666

staddle1691

discolour1812

spang1839

blotting1842

suddle1861

staddle-stead1868

dabble1871

staddle-mark1876

1666 G. Harvey Morbus Anglicus xxv. 116 Yellow Jaundises, and other Diseases..injure the body no other way than by deforming it with a citrinous (yellowish) discoloration.

1684 R. Boyle Exper. Porosity of Bodies iii. 17 Black and blew Discolorations of the skin, that happen upon some..contusions.

1727 J. A. Blondel Strength of Imagination in Pregnant Women Examin'd 23 And who knows but the very Discolorations upon the Shoulders, which Father Malebranche does not describe, were artificial.

1842 J. C. Prichard Nat. Hist. Man 89 Brown discolorations are often found.

1860 M. F. Maury Physical Geogr. Sea (ed. 8) xviii. §747 These discolourations are no doubt caused by organisms of the sea.

1907 Daily News 3 Sept. 2/7 A face-bleach for removing all discolorations from the skin.

1925 Burlington Mag. Mar. 128/2 The removal of the discolourations..revealed only three quite unimportant blemishes.

1992 P. Theroux Happy Isles Oceania i. 3 She touched a discoloration on my arm.

This entry has been updated (OED Third Edition, December 2013; most recently modified version published online March 2022).

单词	discolouration
释义	discolourationdiscolorationn. Brit. /dɪskʌləˈreɪʃn/, U.S. /dɪˌskələˈreɪʃən/ Forms: 1500s– discoloration, 1600s– discolouration. Origin: Formed within English, by derivation. Etymons: discolour v., -ation suffix. Etymology: < discolour v. + -ation suffix. Compare later discolorate v. Compare post-classical Latin discoloratio (13th cent. in a British source), Middle French descoloracion , discoloracion (second half of the 15th cent.). Compare earlier discolour n., discolouring n., and later decoloration n. 1. The action or an act of becoming discoloured; the state or condition of being discoloured; loss or change of colour. ΘΚΠ the world > matter > colour > change of colour > [noun] discoloura1398 discolouring?a1425 discolouration1545 discolouredness1585 transcoloration1664 discolourment1762 discolorization1827 metachromatism1876 metachromism1876 metachrosis1887 tinctumutation1895 electrochromism1961 the world > matter > colour > state or mode of having colour > absence of colour > [noun] > loss of colour discoloura1398 palingc1450 discolouration1545 discolouredness1585 discolouring1598 decoloration1623 etiolation1784 discolourment1821 pallescence1822 discolorization1827 lightening1839 decolorizing1861 decolorization1871 the world > physical sensation > cleanness and dirtiness > dirtiness > dirt > soiled condition > [noun] > dinginess or discolouration discolouration1545 tarnish1713 dinginess1758 miscoloration1822 discolorization1827 dinge1846 1545 T. Raynald & R. Jonas in tr. E. Roesslin Byrth of Mankynde iv. sig. Y.viii^v This is also very good for the morpheu, and other discoloration or staynynge of the skyn. 1616 J. Cotta Triall Witch-craft ii. 17 Of this euill discoloration of her heart..what possible..art of man could euer in her life time giue any notice or information? 1642 H. More Ψυχωδια Platonica sig. K2^v Pure light without discolouration. 1712 J. Morton Nat. Hist. Northants. vi. 384 Sometimes the Discoloration goes so far, that the Leaves are almost all over White. 1763 W. Lewis Commercium Philosophico-technicum 38 There is no other metallic body, so little susceptible of tarnish or discoloration. 1817 D. P. Blaine Canine Pathol. 134 The strong coarse kind, called wire hair, is peculiarly liable to suffer this discolouration. 1892 R. L. Stevenson Across Plains i. 44 With none of the litter and discoloration of human life. 1935 Bull. Misc. Information (Royal Bot. Gardens, Kew) 620 In addition to the usual change of labels every few years owing to discoloration, many name changes had to be made. 1971 Daily Tel. 24 Aug. 5 (advt.) Plaque produces the harmful acids and chemicals that cause tooth decay and discoloration. 2006 Gardens Monthly Apr. 100/2 Water-based treatments designed to prevent surface discoloration are a good option. 2. A discoloured mark, patch, etc.; a stain, a blemish. ΘΚΠ the world > physical sensation > cleanness and dirtiness > dirtiness > dirt > soiled condition > [noun] > stained condition > stain lita1325 pleckc1350 blotc1400 smodc1400 discolouring?a1425 spot?a1425 stain1583 denigration1641 discolouration1666 staddle1691 discolour1812 spang1839 blotting1842 suddle1861 staddle-stead1868 dabble1871 staddle-mark1876 1666 G. Harvey Morbus Anglicus xxv. 116 Yellow Jaundises, and other Diseases..injure the body no other way than by deforming it with a citrinous (yellowish) discoloration. 1684 R. Boyle Exper. Porosity of Bodies iii. 17 Black and blew Discolorations of the skin, that happen upon some..contusions. 1727 J. A. Blondel Strength of Imagination in Pregnant Women Examin'd 23 And who knows but the very Discolorations upon the Shoulders, which Father Malebranche does not describe, were artificial. 1842 J. C. Prichard Nat. Hist. Man 89 Brown discolorations are often found. 1860 M. F. Maury Physical Geogr. Sea (ed. 8) xviii. §747 These discolourations are no doubt caused by organisms of the sea. 1907 Daily News 3 Sept. 2/7 A face-bleach for removing all discolorations from the skin. 1925 Burlington Mag. Mar. 128/2 The removal of the discolourations..revealed only three quite unimportant blemishes. 1992 P. Theroux Happy Isles Oceania i. 3 She touched a discoloration on my arm. This entry has been updated (OED Third Edition, December 2013; most recently modified version published online March 2022). < n.1545
随便看	coralgirt coralgrove coralinsect coralisland coralist coralita coralla corallac corallaceous corallacquer corallate coralled coraller corallest corallet corallian corallian sea corallic corallidomous coralliferous coralliform coralligenous coralligerous corallimestone corallin