| 单词 | root colour |
| 释义 | > as lemmasroot colour root colour n. Dyeing (now rare) a pale brown colour obtained from various roots, bark, etc., and formerly considered as one of the matrice colours (see matrice n. 3). ΚΠ 1728 E. Chambers Cycl. Matrice, in Dying, is applied to the five simple Colours, whence all the rest are derived or composed. These are the Black, White, Blue, Red, and Fallow or Root Colour. 1771 J. Keir tr. P. J. Macquer Dict. Chem. I. 217 The green shells of wallnuts, the root of the wallnut-tree, sumach, saunders, bark of alder,..give a dun color, called a root-color. 1869 F. P. Porcher Resources Southern Fields & Forests 217 The bark and roots [of the walnut] dye cotton fawn brown and root color, according to the proportion of bark or of roots and copperas used. 1902 Catal. 30 in C. Salter tr. G. von Georgievics Chem. Technol. Textile Fibres (end matter) Of substances used in dyeing fawn and root colour. < as lemmas |
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