cir·cu·lar 'sər-kyə-lər adj MANIC-DEPRESSIVE esp BIPOLAR (3) <the exalted phase of the mental \circular state (Havelock Ellis)>
* * *
cir·cu·lar (surґku-lər) [L. circularis] shaped like a circle or occurring in a circle. See also annular.Medical dictionary. 2011.