| 单词 | industrial mineral |
| 释义 | > as lemmasindustrial mineral industrial mineral n. a mineral having properties which make it useful in industrial processes, typically other than as a fuel or source of metal. ΚΠ 1874 A. Boucard Handbk. Nat. Hist. 219 (heading) Industrial minerals... After having briefly described the most remarkable phenomena of the earth, we will notice the principal useful substances which man has found in it. 1943 Economist 27 Nov. 712/1 The vast area's resources of coal, shale oil and industrial minerals are still awaiting exploitation. 2002 R. Lunar et al. in W. Gibbons & T. Moreno Geol. Spain xix. 485/2 Chromite is used both as an industrial mineral in refractories, and as a metallic ore, it being the main source of chromium. < as lemmas |
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