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单词 homoeoid
释义

homoeoidn.

/ˈhɒmiːɔɪd/
Etymology: < Greek ὅμοιος like + -oid suffix.
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).
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n.1883
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