ultramicroscopic

ul·tra·mi·cro·scop·ic

adj \-ˌmī-krə-ˈskäp-ik\

Definition of ULTRAMICROSCOPIC

1

: too small to be seen with an ordinary microscope—compare macroscopic, microscopic 2, submicroscopic

2

: of or relating to an ultramicroscope

—ul·tra·mi·cro·scop·i·cal·ly \-i-k(ə-)lē\ adverb

Variants of ULTRAMICROSCOPIC

ul·tra·mi·cro·scop·ic also ul·tra·mi·cro·scop·i·cal \-i-kəl\