| 单词 |
declinometer |
| 释义 |
declinometer Magn.|dɛklɪˈnɒmɪtə(r)| [irreg. f. as prec. + -meter, Gr. µέτρον measure.] 1. Magn. An instrument for measuring the variation of the magnetic needle.
1858in Simmonds Dict. Trade. 1870R. M. Ferguson Electr. 19 Instruments for determining magnetic declination are called declination needles or declinometers. 1881Maxwell Electr. & Magn. II. 112 The declinometer gives the declination at every instant. 2. Astr. An instrument for observing and registering declination.
1883D. Gill in Encycl. Brit. XVI. 255 Bond's mica declinometer. |

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