mania

Multiple Entries:
  mania    -mania  

Concise Oxford English Dictionary © 2008 Oxford University Press:
mania/ˈmeɪniə/

▶noun

• 1 mental illness marked by periods of excitement, delusions, and overactivity.

• 2 an obsession.

– origin ME: via late L. from Gk, lit. ‘madness’.

Concise Oxford English Dictionary © 2008 Oxford University Press:
-mania

▶combining form Psychology

• 1 denoting a specified type of mental abnormality or obsession: kleptomania.

• 2 denoting extreme enthusiasm or admiration: Beatlemania.

– derivatives
-maniac combining form.