| 单词 |
gnomonical |
| 释义 |
gnomonical, a. ? Obs.|nəʊˈmɒnɪkəl|
[f. as prec. + -al1.]
= gnomonic.
1570Dee Math. Pref. 41 Who also, left to theyr posteritie, many Engines and Gnomonicall workes. 1603Sir C. Heydon Jud. Astrol. iii. 128, I expected..mathematicall demonstrations and reasons, either out of Gnomonicall obseruation, or out of the Perspectiues. 1688R. Holme Armoury iii. 373/1 A Gnomonical Semi-Circle, a semi-circle set in a declining reclining Dial Plate, whereby to make the Stile its true height. 1761J. J. Kirby Perspect. Archit. ii. 3 When placed at the center, the projection is named gnomonical. 1790Wildbore in Phil. Trans. LXXX. 536 The gnomonical projection of the track on a plane touching the sphere at C.
b. Bot. (See quot.)
1862M. C. Cooke Man. Bot. Terms, Gnomonical, when a stalk is bent at right angles. 1866in Treas. Bot.
Hence gnoˈmonically adv., in the manner of a gnomonic projection.
1706W. Jones Syn. Palmar. Matheseos 277 The method of projecting the Hour Circles Gnomonically..is hence also evident. 1838Penny Cycl. XI. 281/1 The most convenient method of projecting the whole sphere gnomonically is to imagine a cube inscribed about it, on each face of which one-sixth part of the sphere is projected. 1866Proctor Handbk. Stars 8 note, Now these circles are gnomonically projected on the polar tangent plane as two straight lines. |
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