D defs.my
Entry 3 senses Webster, 1913

Microscopic

/mī'krəskŏʹpĭk/ · Mi·cro·scop·ic · IPA /ˌmaɪ.kɹəˈskɑpɪk/
01 a. Of or pertaining to the microscope or to microscopy; made with a microscope; as, microscopic observation.
  1. 1.
    Of or pertaining to the microscope or to microscopy; made with a microscope; as, microscopic observation.
  2. 2.
    Able to see extremely minute objects.
    “Why has not man a microscopic eye?” Pope.
  3. 3.
    Very small.