| 释义 |
Nile-blue, n. and a.
[f. the river Nile, after F. bleu de Nil.]
1. A pale greenish blue. Also ellipt. Nile.
The ellipt. examples may represent Nile-green.
1873Young Englishwoman Feb. 77/2 Dark maroon velvet and Nile blue silk rep. 1884Christian World 4 Nov. 260/4 Amongst the favourite colours are imperial yellow, Nile blue, tea rose and cardinal. 1892Daily News 29 July 3/3 Greenish Nile-blue is discordant with sky-blue. 1895Montgomery Ward Catal. 7/3 Plain Crepe Picardie... Colors: Lilac,..nile, black [etc.]. 1926Daily Colonist (Victoria, B.C.) 21 July 16/6 (Advt.), A 4-ply worsted wool in shades of pink..nile, [etc.]. 1950Maerz & Paul Dict. Color (ed. 2) 199/1 Nile Blue.
2. Also Nile blue. A tetracyclic quaternary ammonium ion which is an azine dye and is used as a biological stain to colour fatty acids blue; also, a salt (usu. the sulphate) of this ion.
1888Jrnl. Soc. Dyers & Colourists IV. 96/1 On wool and silk, Nile blue is applied in a neutral bath, and yields red shades of blue. 1920Physiol. Abstr. VI. 617 The affinity of Nile blue sulphate for fat is small. Oleic acid and its esters are the most stainable. 1942V. 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. 1971Ayyangar & 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.
So Nile-green.
1871Scribner's Monthly June 209/1 ‘Nile green’ will turn some people into oranges, though twenty empresses ordain its adoption. 1888Daily News 7 June 5/8 A knot of Nile-green ribbons. 1944R. Chandler Lady in Lake xvi. 93 The nile green tiles of the bathroom floor. 1969‘I. Drummond’ Man with Tiny Head xv. 176 He used his palms against the nile-green hull. 1973‘D. Jordan’ (title) Nile green. |