单词 | homoeoid |
释义 | homoeoidn. Mathematics. A shell bounded by two surfaces similar and similarly situated with regard to each other, a homothetic shell; sometimes restricted to such a shell bounded by concentric ellipsoids. ΘΚΠ the world > relative properties > number > geometry > shape or figure > [noun] > three-dimensional > shell focaloid1879 homoeoid1883 1883 W. Thomson & P. G. Tait Treat. Nat. Philos. (new ed.) I: Pt. ii. §494 g. 42 In every case the thickness of the homoeoid is directly proportional to the perpendicular from the centre to the tangent plane at any point. Derivatives homoeˈoidal adj. belonging to a homoeoid. ΘΚΠ the world > relative properties > number > geometry > shape or figure > [adjective] > having specific property hypotenusal?a1560 oblique?a1560 local1673 focal1676 octantal1777 symmetrical1794 radical1848 self-conjugate1855 quadric1856 stellated1859 periphractic1881 homoeoidal1883 tridiametral1891 one-sided1893 semi-infinite1903 simplicial1913 mirror-symmetric1952 1883 W. Thomson & P. G. Tait Treat. Nat. Philos. (new ed.) I: Pt. ii. §494 g. 42 The one point which is situated similarly relative to the two similar surfaces of a homoeoid is called the homoeoidal centre. This entry has not yet been fully updated (first published 1899; most recently modified version published online June 2018). < n.1883 |
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