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acnode

/ˈækˌnəʊd/
noun
1.
a point whose coordinates satisfy the equation of a curve although it does not lie on the curve; an isolated point. The origin is an acnode of the curve y² + x² = x³
Derived Forms
acnodal, adjective
Word Origin
C19: from Latin acus a needle + node
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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9
11
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