ADVERB (2)

1. by using a microscope; so as to be visible only with a microscope; as seen with a microscope;
- Example: "the blood was examined microscopically"
- Example: "the seeds were microscopically small"

2. as if by using a microscope; with extreme precision and attention to detail; in minute detail;
- Example: "every manuscript was edited microscopically"

The Collaborative International Dictionary of English v.0.48:

Microscopically \Mi`cro*scop"ic*al*ly\, adv.
   By the microscope; with minute inspection; in a microscopic
   manner.
   [1913 Webster]

WordNet (r) 3.0 (2006):

microscopically
    adv 1: by using a microscope; so as to be visible only with a
           microscope; as seen with a microscope; "the blood was
           examined microscopically"; "the seeds were
           microscopically small"
    2: as if by using a microscope; with extreme precision and
       attention to detail; in minute detail; "every manuscript was
       edited microscopically"