| 单词 |
sphereometer |
| 释义 |
sphereˈometer rare. [f. sphere n.] 1. Naut. (See quots.)
1862Catal. Internat. Exhib., Brit. II. No. 2775, A ‘sphereometer’, for facilitating the practice of great circle sailing. 1863A. Young Naut. Dict. 361 Sphereometer, a contrivance ‘for facilitating great circle sailing by obviating abstruse calculations’. 2. = spherometer (Knight, 1884). |

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