An`al·lag·mat'ic adjective [ Greek 'an priv. + ... 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 . --... Found on http://www.encyclo.co.uk/webster/A/77
• (a.) Not changed in form by inversion.
An`al·lag·mat'ic adjective [ Greek