“apioid”的英文意思_释义_用法

单词

apioid

释义

apioid Geom.|ˈeɪpɪɔɪd, ˈæp-|
[f. Gr. ἄπιον pear: see -oid.]
a. A species of plane curve, being that one of a pair of Cartesian ovals which is within the other.
b. A species of solid of revolution, being the form assumed by a rotating liquid when the velocity of rotation exceeds a certain amount. Hence apiˈoidal a., pertaining to or having the form of an apioid.
1898G. W. Myers in Astrophysical Jrnl. VIII. 163 The distance of centers does not materially differ from the sum of the radii of the components [of the star U Pegasi], suggesting the probable existence of the ‘apioidal’ form of Poincaré.1905A. M. Clerke Mod. Cosmog. vi. 104 An ‘apioid’, or pear-shaped body, replaces the antecedent ellipsoid.

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