the fact of a ray of light being split up by certain minerals into two divergent, unequally refracted rays.
| 单词 | θ76353 | 
| 释义 | the world > matter > physics > electromagnetic radiation > light > refraction > 			[noun]		 > double refraction (5)		 double refraction1794 the fact of a ray of light being split up by certain minerals into two divergent, unequally refracted rays. birefringence1889 = double refraction at refraction, n. 2a. Subcategories:— 			axis of			(1)		 — 			effect of			(1)		 — 			substance			(1)		  | 
	
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