{Anallagmatic curves}, a class of curves of the fourth degree
which have certain peculiar relations to circles; --
sometimes called {bicircular quartics}.
{Anallagmatic surfaces}, a certain class of surfaces of the fourth degree. [1913 Webster]
The Collaborative International Dictionary of English. 2000.
Anallagmatic — An al*lag*mat ic, a. [Gr. ?; an priv. + ? a change.] (Math.) Not changed in form by inversion. [1913 Webster] {Anallagmatic curves}, a class of curves of the fourth degree which have certain peculiar relations to circles; sometimes called… … The Collaborative International Dictionary of English
Anallagmatic surfaces — Anallagmatic An al*lag*mat ic, a. [Gr. ?; an priv. + ? a change.] (Math.) Not changed in form by inversion. [1913 Webster] {Anallagmatic curves}, a class of curves of the fourth degree which have certain peculiar relations to circles; sometimes… … The Collaborative International Dictionary of English
bicircular quartics — Anallagmatic An al*lag*mat ic, a. [Gr. ?; an priv. + ? a change.] (Math.) Not changed in form by inversion. [1913 Webster] {Anallagmatic curves}, a class of curves of the fourth degree which have certain peculiar relations to circles; sometimes… … The Collaborative International Dictionary of English
Inverse curve — In geometry, the inverse curve of a given curve C with respect to a fixed circle with center O and radius a is the locus of points P for which OPQ are collinear and OP • PQ = a 2 as Q runs over the original curve C .We may invert a plane… … Wikipedia
