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单词 bicuspidal
释义

bicuspidaladj.

/bʌɪˈkʌspɪdəl/
Etymology: < bi- comb. form + cuspidal adj.
Geometry.
Of a curve: having two cusps.
ΘΚΠ
the world > relative properties > number > geometry > curve > [adjective] > relating to point(s) in
punctated1710
bipartite1858
punctate1860
inflectional1862
bicuspidal1867
bitangential1873
trinodal1873
1867 A. Cayley Coll. Math. Papers (1893) VI. 528 A bicuspidal or Cartesian curve.
1873 G. Salmon Treat. Higher Plane Curves (ed. 2) vi. 232 Quartics having the two circular points as cusps have also been much studied under the name of Cartesians, the properties of which may similarly be generalized and stated as properties of bicuspidal quartics.
This entry has not yet been fully updated (first published 1933; most recently modified version published online June 2018).
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adj.1867
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