(also Bononian stone) native sulphate of baryta found near Bologna, having phosphorescent properties.
| 单词 | θ80321 | 
| 释义 | the world > matter > light > light emitted under particular conditions > 			[noun]		 > phosphorescence > phosphorescent substance or organism > Bologna spar (4)		 Bolognian stone1674 (also Bononian stone) native sulphate of baryta found near Bologna, having phosphorescent properties. Bologna phosphorus1875 a phosphorescent preparation of Bologna stone and gum. Bologna spar1875 native sulphate of baryta found near Bologna, having phosphorescent properties. Montalbano's phosphorus1906 Preceded by distinguishing words: a particular phosphorescent substance. See also Bologna phosphorus n.… = Bologna phosphorus n. at Bologna, n.…  | 
	
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