| 释义 |
homœoid Math.|ˈhɒmiːɔɪd|
[f. Gr. ὅµοι-ος like + -oid.]
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. Hence homœˈoidal a., belonging to a homœoid.
1883Thomson & Tait Nat. Phil. (new ed.) I. 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. Ibid., The one point which is situated similarly relative to the two similar surfaces of a homoeoid is called the homoeoidal centre. |