Nile bluen.adj.

Brit.

/ˌnʌɪl ˈbluː/, U.S.

/ˈnaɪl ˈblu/

Origin: Formed within English, by compounding; modelled on a French lexical item. Etymons: Nile n., blue n.

Etymology: < Nile n. + blue n., after French Nil bleu (1850 or earlier in sense 1; also as bleu de Nil).

1. A pale greenish blue colour supposedly resembling that of the Nile. Also as adj.

ΘΚΠ

the world > matter > colour > named colours > blue or blueness > [noun] > greenish blue

peacock colour1598

verditer1819

verdigris blue1832

robin's-egg blue1844

aquamarine1846

turquoise1853

verditer blue1857

bird's-egg blue1858

Alice1872

Nile blue1873

starch blue1875

cyan-blue1879

peacock1881

peacock blue1881

bird's egg1885

Gobelin blue1886

cyan1889

Nile1895

kingfisher1901

Alice blue1905

teal1923

aqua1936

teal blue1949

1873 Young Englishwoman Feb. 77/2 Dark maroon velvet and Nile blue silk rep.

1892 Daily News 29 July 3/3 Greenish Nile-blue is discordant with sky-blue.

1926 Times 23 June 2 Rolls Royce..painted Nile blue and upholstered in Bedford cloth.

1930 A. Maerz & M. R. Paul Dict. Color 199/1 Nile Blue.

1989 C. Carson Belfast Confetti iii. 98 Where the Nile-blue sky becomes the Nile, abandoning the Empire To its Massacre of Innocents.

2003 Herald-Dispatch (Huntington, W. Va.) 26 Jan. 4 You may even want to try a semi-permanent dye first to see if a Nile Blue head of hair is really as cool as you think.

2. A tetracyclic quaternary ammonium ion, C₂₀H₁₉ON₃, which is an azine dye and is used as a pH indicator. Also: a salt of this ion, esp. the sulphate, which is used as a biological stain to colour fatty acids blue (more fully Nile blue sulphate).

ΘΚΠ

the world > life > biology > laboratory analysis > material > [noun] > staining material

osmium tetroxide1869

picrocarmine1872

rose bengal1878

stain1880

erythrosin1884

Gram stain1884

vesuvin1885

Nile blue1888

pyronin1895

Janus green1898

counterstain1899

Nissl stain1899

Leishman stain1904

trypan blue1911

quinacrine mustard1957

the world > matter > colour > named colours > blue or blueness > blue colouring matter > [noun] > dyes and dyestuffs > other dyes

stone-blue1675

starch blue1742

Saxon blue1753

fig-blue1786

chemic1792

Turkey blue1815

Paris blue1835

Saxony blue1857

soluble blue1879

methylene blue1882

indoin1884

phenylene blue1884

indamine1888

Nile blue1888

gallamine blue1889

neutral blue1889

chrome-blue1892

toluidine blue1898

indanthrene1901

Saxe blue1905

trypan blue1911

mandarin blue1912

1888 Jrnl. Soc. Dyers & Colourists 4 96/1 On wool and silk, Nile blue is applied in a neutral bath, and yields red shades of blue.

1920 Physiol. Abstr. 6 617 The affinity of Nile blue sulphate for fat is small. Oleic acid and its esters are the most stainable.

1942 V. Hamburger Man. Exper. Biol. 46 A small particle of agar stained with Nile blue sulphate or neutral red is pressed against the surface of the blastula for a short period.

1971 N. R. Ayyangar & B. D. Tilak in K. Venkataraman Chem. Synthetic Dyes IV. iii. 107 It has been shown that Rhodanile Blue is nothing but a mixture of Rhodamine B and Nile Blue.

1989 J. A. B. Collier & J. M. Longmore Oxf. Handbk. Clin. Specialties (ed. 2) ii. 116 The ratio of fat cells which stain with Nile Blue increases through pregnancy.

This entry has been updated (OED Third Edition, September 2003; most recently modified version published online March 2022).

单词	nile blue
释义	Nile bluen.adj. Brit. /ˌnʌɪl ˈbluː/, U.S. /ˈnaɪl ˈblu/ Origin: Formed within English, by compounding; modelled on a French lexical item. Etymons: Nile n., blue n. Etymology: < Nile n. + blue n., after French Nil bleu (1850 or earlier in sense 1; also as bleu de Nil). 1. A pale greenish blue colour supposedly resembling that of the Nile. Also as adj. ΘΚΠ the world > matter > colour > named colours > blue or blueness > [noun] > greenish blue peacock colour1598 verditer1819 verdigris blue1832 robin's-egg blue1844 aquamarine1846 turquoise1853 verditer blue1857 bird's-egg blue1858 Alice1872 Nile blue1873 starch blue1875 cyan-blue1879 peacock1881 peacock blue1881 bird's egg1885 Gobelin blue1886 cyan1889 Nile1895 kingfisher1901 Alice blue1905 teal1923 aqua1936 teal blue1949 1873 Young Englishwoman Feb. 77/2 Dark maroon velvet and Nile blue silk rep. 1892 Daily News 29 July 3/3 Greenish Nile-blue is discordant with sky-blue. 1926 Times 23 June 2 Rolls Royce..painted Nile blue and upholstered in Bedford cloth. 1930 A. Maerz & M. R. Paul Dict. Color 199/1 Nile Blue. 1989 C. Carson Belfast Confetti iii. 98 Where the Nile-blue sky becomes the Nile, abandoning the Empire To its Massacre of Innocents. 2003 Herald-Dispatch (Huntington, W. Va.) 26 Jan. 4 You may even want to try a semi-permanent dye first to see if a Nile Blue head of hair is really as cool as you think. 2. A tetracyclic quaternary ammonium ion, C₂₀H₁₉ON₃, which is an azine dye and is used as a pH indicator. Also: a salt of this ion, esp. the sulphate, which is used as a biological stain to colour fatty acids blue (more fully Nile blue sulphate). ΘΚΠ the world > life > biology > laboratory analysis > material > [noun] > staining material osmium tetroxide1869 picrocarmine1872 rose bengal1878 stain1880 erythrosin1884 Gram stain1884 vesuvin1885 Nile blue1888 pyronin1895 Janus green1898 counterstain1899 Nissl stain1899 Leishman stain1904 trypan blue1911 quinacrine mustard1957 the world > matter > colour > named colours > blue or blueness > blue colouring matter > [noun] > dyes and dyestuffs > other dyes stone-blue1675 starch blue1742 Saxon blue1753 fig-blue1786 chemic1792 Turkey blue1815 Paris blue1835 Saxony blue1857 soluble blue1879 methylene blue1882 indoin1884 phenylene blue1884 indamine1888 Nile blue1888 gallamine blue1889 neutral blue1889 chrome-blue1892 toluidine blue1898 indanthrene1901 Saxe blue1905 trypan blue1911 mandarin blue1912 1888 Jrnl. Soc. Dyers & Colourists 4 96/1 On wool and silk, Nile blue is applied in a neutral bath, and yields red shades of blue. 1920 Physiol. Abstr. 6 617 The affinity of Nile blue sulphate for fat is small. Oleic acid and its esters are the most stainable. 1942 V. Hamburger Man. Exper. Biol. 46 A small particle of agar stained with Nile blue sulphate or neutral red is pressed against the surface of the blastula for a short period. 1971 N. R. Ayyangar & B. D. Tilak in K. Venkataraman Chem. Synthetic Dyes IV. iii. 107 It has been shown that Rhodanile Blue is nothing but a mixture of Rhodamine B and Nile Blue. 1989 J. A. B. Collier & J. M. Longmore Oxf. Handbk. Clin. Specialties (ed. 2) ii. 116 The ratio of fat cells which stain with Nile Blue increases through pregnancy. This entry has been updated (OED Third Edition, September 2003; most recently modified version published online March 2022). < n.adj.1873
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