quadrant compass
noun
A compass having one leg fitted with an arc along which the other leg slides and to which it may be screwed.
Origin
Late 19th century; earliest use found in Edward H. Knight (1824–1883), patent lawyer and expert in mechanics.
| 单词 | quadrant compass |
| 释义 | quadrant compassnoun A compass having one leg fitted with an arc along which the other leg slides and to which it may be screwed. Origin |
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