Pertaining to a microscope, or having its character or function; adapted to the purposes of a microscope, or to the inspection of minute objects: as, a microscopic lens, eyepiece, or stand; microscopic sight or vision.
Of minute size; so small as to be invisible or indistinct to the naked eye; adapted to or prepared for examination by the miscroseope: as, microscopic creatures or particles; a microscopic object.
Made or effected by or as if by the aid of a microscope; hence, relating to things of minute size or significance; infinitesimal; petty: as, microscopic observations or investigations; microscopic criticism.
Characteristic of the microscope or its use : as, to observe anything with microscopic minuteness; microscopic definition of an object.
Employing or working with a microscope, or as if with a microscope.
Also microscopical.