A person who or thing which orientates. (In quot. 1844 with reference to a device for determining the orientation of churches.)
| 单词 | θ105559 | 
| 释义 | the world > space > direction > 			[noun]		 > finding direction > device for finding direction (7)		 orientator1844 A person who or thing which orientates. (In quot. 1844 with reference to a device for determining the orientation of churches.) locator1904 A device or system used for finding or determining the location or source of something. Frequently with preceding word specifying the thing being… direction-finder1913 a receiving device that determines from which direction radio waves come to it; so direction-finding. D.F.1920 direction(al) finding. Subcategories:— 			of landscape features			(1)		 — 			radio direction finder			(2)		 | 
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