| 释义 |
blende Min.|blɛnd|
Also 8 blend.
[a. Ger. blende, from blenden to deceive: so called ‘because while often resembling galena, it yielded no lead’ (Dana); = blendendes erz ‘deceiving ore’ (Grimm). Hence also called pseudogalena, and sphalerite from σϕαλερός deceitful.]
Sulphide of zinc occurring as a native crystalline mineral.
1683[cf. blendy]. 1753Chambers Cycl. Supp., Blende..called by some mock-lead. 1780Specif. M. Sanderson's Patent No. 1243. 3 Decomposed or calcined blend. 1812Sir H. Davy Chem. Philos. 373 Zinc is procured from blende by a similar operation. Ibid. 377 In the blendes or supposed sulphurets of zinc. 1869Roscoe Elem. Chem. 230 The chief ores of zinc are the sulphide or blende, etc.
b. ? Formerly used of other metallic sulphides, or worthless ores. (Cf. hornblende.)
1781J. Dillon Trav. Spain 231 There is no doubt but that it is cobalt, of which that state is the blend. |