gnomonicaladj.
/nəʊˈmɒnɪkəl/ ? Obsolete.
a. = gnomonic adj.
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the world > time > instruments for measuring time > [adjective] > of or relating to sundials
gnomonical1570
gnomonic1601
sandy1607
gnomical1611
stylar1614
sciatherical1615
direct1659
skiagraphical1690
sciatheric1700
solar1728
1570 J. Dee in H. Billingsley tr. Euclid Elements Geom. Math. Præf. sig. diiij Who also, left to theyr posteritie, many Engines and Gnomonicall workes.
1603 C. Heydon Def. Iudiciall Astrol. iii. 128 I expected..mathematicall demonstrations and reasons, either out of Gnomonicall obseruation, or out of the Perspectiues.
1688 R. Holme Acad. Armory 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.
1761 J. Kirby Perspective of Archit. ii. i. i. 2/1 When placed at the center, the projection is named Gnomonical.
1790 Wildbore in Philos. Trans. (Royal Soc.) 80 536 The gnomonical projection of the track on a plane touching the sphere at C.
b. Botany. (See quot.)
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1862 M. C. Cooke Man. Bot. Terms Gnomonical, when a stalk is bent at right angles.
1866 in J. Lindley & T. Moore Treasury Bot.
Derivatives
gnoˈmonically adv. in the manner of a gnomonic projection.
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1706 W. Jones Synopsis Palmariorum Matheseos 277 The method of projecting the Hour Circles Gnomonically..is hence also evident.
1838 Penny 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.
1866 R. A. Proctor Handbk. Stars 8 (note) Now these circles are gnomonically projected on the polar tangent plane as two straight lines.
This entry has not yet been fully updated (first published 1900; most recently modified version published online March 2019).
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adj.1570