n.
Pronunciation: ˌ mä-n ə - ' m ā -n ē - ə , -ny ə
Function: noun
Etymology: New Latin
Date: 1823
1 : mental illness especially when limited in expression to one idea or area of thought
2 : excessive concentration on a single object or idea
– mono · ma · ni · ac \ -n ē - ˌ ak \ noun or adjective
– mono · ma · ni · a · cal \ -m ə - ' n ī - ə -k ə l \ adjective
– mono · ma · ni · a · cal · ly \ -k( ə -)l ē \ adverb