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单词 axoid
释义

axoidn.

/ˈaksɔɪd/
Etymology: < ax- (in axis n.1) + -oid suffix.
A curve generated by the revolution of a point round an advancing axis, e.g. the cycloid.
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the world > relative properties > number > geometry > curve > [noun] > generated by or related to a point > by revolution
cycloid1661
epicycloid1696
trochoid1704
involute figure or curve1706
roulette1708
evolute1753
epicycle1756
involute1796
hypocycloid1843
hypotrochoid1843
axoid1876
epicyclic1878
astroid1886
1876 Catal. Special Loan Coll. Sci. Apparatus S. Kensington Mus. No. 553. Conic axoids, with corresponding spheric roulettes and profiles.
This entry has not yet been fully updated (first published 1885; most recently modified version published online September 2018).
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n.1876
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