ultramicroscopic

ul·tra·mi·cro·scop·ic

U0011500 (ŭl′trə-mī′krə-skŏp′ĭk)adj.1. Too minute to be seen with an ordinary microscope.2. Of or relating to an ultramicroscope.

ultramicroscopic

(ˌʌltrəˌmaɪkrəˈskɒpɪk) adj1. (General Physics) too small to be seen with an optical microscope2. (General Physics) of or relating to an ultramicroscope ultramicroscopy n

Thesaurus

Adj.

ultramicroscopic - too small to be seen without an ultramicroscope

ultramicroscopic

[ul″trah-mi″kro-skop´ik] too small to be seen with the ordinary light microscope.

sub·mi·cro·scop·ic

(sŭb'mī-krō-skop'ik), Too minute to be visible with a light microscope. Synonym(s): amicroscopic, ultramicroscopic