'Microscopically' definitions:

Definition of 'microscopically'

From: WordNet
adverb
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"
adverb
As if by using a microscope; with extreme precision and attention to detail; in minute detail; "every manuscript was edited microscopically"

Definition of 'Microscopically'

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