Definify.com
Webster 1913 Edition
Anallagmatic
Anˊal-lag-mat′ic
,Adj.
[Gr. [GREEK];
ἀν
priv. + [GREEK] a change.] (Math.)
Not changed in form by inversion.
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.