micromania

micro +‎ -mania

micromania (usually uncountable, plural micromanias)

1. (obsolete, pathology) A delusion that a body part has become small
2. (dated, informal) Excessive enthusiasm for microcomputers.
   • 1982, Current, volumes 1-2, page 58:

     Micromania at home: What have microcomputers got that other instructional technologies haven't?

   • 1984, Computer Decisions, volume 16, page 70:

     Micromania, the uncontrolled spread of personal computers in corporations, can be treated […]

3. (psychology) An extreme tendency to belittle oneself or trivialize one's achievements.

   Antonym: megalomania

   • Jacob L. Moreno, Zerka T. Moreno, Psychodrama (volume 3, page 25)

     Actually, when the I-God is universalized, as it is in my book, the whole God concept becomes one of humbleness, weakness, and inferiority, a micromania rather than a megalomania.

• micromaniac