Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun A planar cubic curve that is symmetric about the y-axis and that approaches the x-axis as an asymptote. Its equation is x2y = 4a2(2a − y), where a is a constant.
Etymologies
from The American Heritage® Dictionary of the English Language, 4th Edition
[witch (translation of Italian avversiera, versiera, confused with versiera, curve, turning, from New Latin versōria, from Latin versus, turned, reversed, past participle of vertere, to turn; see verse) + Maria Gaetana Agnesi.]
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