| 单词 | plume alum |
| 释义 | > as lemmasplume alum plume alum n. [compare post-classical Latin alumen de pluma (c1215, 14th cent. in British sources), alumen de plume (1317 in a British source), alumen plumeum (1554 or earlier), Anglo-Norman alum de plume (13th cent. or earlier), Old French, Middle French, French †alun de plume (1256 in Old French; subsequently from end of the 15th cent.)] now rare a mineral consisting of a double sulphate of aluminium and iron, occurring as tufts of silky, fibrous crystals; = halotrichite n. ΘΚΠ the world > the earth > minerals > types of mineral > sulphates > [noun] > alum > feather alum alum plumec1425 plume alum1600 feather-alum1693 plumose alum1732 alunogen1834 c1425 tr. J. Arderne Treat. Fistula (Sloane 6) (1910) 54 (MED) Putte in poudre of white glasse and of alum zucaryne, i. alum glasse, or alum plume.] 1600 R. Surflet tr. C. Estienne & J. Liébault Maison Rustique i. xxii. 141 Powder it, with sulphur viuum, adding thereto myrrhe, oyle, and vineger, and a little plume Allome. 1780 J. T. Dillon Trav. Spain ii. xiv. 355 The white stone called plume alum, or pseudo asbestus. 1812 J. Smyth Pract. of Customs ii. 21 Plume Alum is a kind of natural Alum, composed of a sort of threads or fibres, resembling feathers, whence it has its name. 1952 C. Camden Elizabethan Woman vii. 180 Cochineal was mixed with the white of hard-boiled eggs, the milk of green figs, plume alum, and gum Arabic. < as lemmas |
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