| 单词 | mineral dresser | 
| 释义 | > as lemmasmineral dresser   mineral dresser  n. a person or machine employed in mineral dressing. ΘΚΠ the world > the earth > earth sciences > geology > mineralogy > 			[noun]		 > apparatus mineral dresser1876 Jolly1882 meldometer1885 streak plate1895 1876    Engin. & Mining Jrnl. 22 188/1  				Canfield's Mineral Dresser... At the Dover meeting of the Institute, Mr. F. A. Canfield showed some of the members a machine which he had invented for dressing mineralogical and geological specimens. 1957    Sci. News 46 35  				This upgrading [of ores] is the work done by the mineral dresser. < as lemmas  | 
	
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