Gypsum; plaster. Obsolete.
| 单词 | θ215522 |
| 释义 | society > occupation and work > materials > raw material > mineral material > [noun] > gypsum (8) spar-stonec1000 Gypsum; plaster. Obsolete. gypsum1646 Hydrous calcium sulphate, the mineral from which plaster of Paris is made. parget1657 Gypsum used for making plaster. Obsolete. satin spar1802 (originally) a fibrous variety of calcite with a satin-like lustre; (in later use more commonly) a translucent, fibrous variety of gypsum with a… satin stone1803 a fibrous variety of gypsum with a satin-like lustre; = satin gypsum n. satin gypsum1807 a fibrous variety of gypsum with a satin-like lustre; cf. satin spar n. Subcategories:— type of (2) |
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