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单词 elliptoides
释义

elliptoidesn.

Forms: Also 1700s elliptoide.
Etymology: Badly < ellipt- (compare elliptic adj.) + modern Latin -oides: see -oid suffix.
Obsolete.
An infinite ellipse.
ΚΠ
1731 N. Bailey Universal Etymol. Eng. Dict. (ed. 5) Eliptoides.
1796 C. Hutton Math. & Philos. Dict. Elliptoide, an infinite or indefinite Ellipsis, defined by the indefinite equation aym+n = bxm. axn when m or n are greater than 1.
This entry has not yet been fully updated (first published 1891; most recently modified version published online December 2020).
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