aurantia
(ɒˈrænʃɪə)
[L. aurantia: see orange n.1]
An orange-yellow dye colour; see also quot. 1940.
| 1877 Jrnl. Chem. Soc. XXI. 310 Aurantia... This dyestuff..produces splendid orange tints on wool and silk. 1892 Woodbury Encycl. Photogr. 62 Aurantia, a beautiful orange dye, the ammonia salt of an acid. It is used as a sensitiser in orthochromatic photography. Ibid., To make an aurantia screen for orthochromatic photographic purposes. 1940 Thorpe's Dict. Appl. Chem. (ed. 4) IV. 14/2 Aurantia..is a dyestuff, but is of more importance as an explosive. |