单词 | subradius |
释义 | subradiusn.ΘΚΠ the world > relative properties > number > geometry > line > [noun] > specific relating to a curve asymptote1656 radius1657 radial1702 subradius1826 1826 T. Jephson Fluxional Calculus I. xi. 392 The sub-radius of curvature is a line drawn from the centre of the circle of curvature perpendicular on the ordinate... Thus.. pc is the radius, ck the sub-radius. ΚΠ 1882 tr. E. Haeckel in Rep. Sci. Results Voy. H.M.S. Challenger: Zool. (H.M.S.O.) IV. p. xviii Finally, we distinguish in many cases radii of Order IV, or subradii, which lie in the middle between the eight adradii and the eight principal radii. 1897 T. J. Parker & W. A. Haswell Text-bk. Zool. I. 129 Half way between any ad-radius and the adjacent per- or inter-radius, a radius of the fourth order, or sub-radius. 3. Entomology. = radial sector n. at radial adj. and n. Compounds. rare. Now historical. ΚΠ 1912 Entomologische Mitteilungen 1 270 The basal part of subradius and the cross veins between it and the median blackish brown. 1935 Jrnl. N.Y. Entomol. Soc. 43 119 Thus the convex costa had its concave subcosta; radius, its subradius, the radial sector. 1972 Jrnl. Kansas Entomol. Soc. 45 56 (caption) Subradius. This entry has been updated (OED Third Edition, June 2012; most recently modified version published online March 2022). < n.1826 |
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