单词 | spherograph |
释义 | > as lemmasspherograph spherograph n. Brit. /ˈsfɪərə(ʊ)ɡrɑːf/ , /ˈsfɪərə(ʊ)ɡraf/ , U.S. /ˈsfɪrəˌɡræf/ , /ˈsfɛrəˌɡræf/ Nautical a device serving to facilitate the calculation of spherical problems.ΘΚΠ society > travel > travel by water > vessel, ship, or boat > equipment of vessel > navigational aids > [noun] > device for spherical calculations spherograph1858 sphereometer1862 1858 Mercantile Marine Mag. 5 231 The Spherograph, invented by Mr. Saxby, will shew..the true bearing of the Sun at any time throughout the day. 1867 W. T. Brande & G. W. Cox Dict. Sci., Lit. & Art (new ed.) III. 532/1 Spherograph, an instrument invented for the practical application of spherics to navigation. By its aid any possible spherical triangle can be constructed without dividers or scales. < as lemmas |
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