microscopic

adjective5

1. •
   So small that it can only be seen with the aid of a microscope.

   • The water was full of microscopic organisms.
2. •
   Very small; minute

   • Compared to the galaxy, we are microscopic in scale.
3. •
   (figurative) Carried out with great attention to detail.

   • The police carried out a microscopic search of the crime scene.
4. •
   Of, or relating to microscopes or microscopy; microscopal

   • We supply all microscopic stains and other materials.
5. •
   Able to see extremely minute objects.

   • Why has not man a microscopic eye? — 1733