micrology

from The Collaborative International Dictionary of English v.0.48

Micrology \Mi*crol"o*gy\, n. [Micro- + -logy.]
   1. That part of science which treats of microscopic objects,
      or depends on microscopic observation.
      [1913 Webster]

   2. Attention to petty items or differences. --W. Taylor.
      [1913 Webster]