- so small as to be invisible or indistinct without the use of the microscope: microscopic organisms.Compare macroscopic.
- very small; tiny.
- of, relating to, or involving a microscope: microscopic investigation.
- very detailed; meticulous: a microscopic view of society.
- suggestive of the precise use of the microscope; minute: microscopic exactness.
Origin of microscopic
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for microscopically
They were tireless and microscopically thorough in the search.The Wolf Cub
The surface of the wing is covered with microscopically minute hairs.Zoology: The Science of Animal Life
Now the events rushed upon him, few in number, but clearly, microscopically outlined.The Incendiary
W. A. (William Augustine) Leahy
(e) The poisonous portions are not distinguishable from the nonpoisonous, either macroscopically or microscopically.
Microscopically the process is found to be a subacute inflammation of the media, which has been called a mesaortitis.Arteriosclerosis and Hypertension:
Louis Marshall Warfield
less commonly microscopical
- not large enough to be seen with the naked eye but visible under a microscopeCompare macroscopic
- very small; minute
- of, concerned with, or using a microscope
- characterized by or done with great attention to detail
Word Origin and History for microscopically
Online Etymology Dictionary, © 2010 Douglas Harper
- Too small to be seen by the unaided eye but large enough to be studied under a microscope.
- Of, relating to, or concerned with a microscope.
- Being or characterized as exceedingly small; minute.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.