having three right angles, as a spherical triangle (Worcester, 1860).
| 单词 | θ115901 | 
| 释义 | the world > relative properties > number > geometry > shape or figure > 			[adjective]		 > having specific property > having angles > having three right angles (1)		 trirectangular1896 having three right angles, as a spherical triangle (Worcester, 1860).  | 
	
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