Meaning of monomania

mon•o•ma•ni•a

Pronunciation: (mon"u-mā'nē-u, -mān'yu), [key]
— n.
  1. (no longer in technical use) a psychosis characterized by thoughts confined to one idea or group of ideas.
  2. an inordinate or obsessive zeal for or interest in a single thing, idea, subject, or the like.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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