amicroscopic

amicroscopic Too small to be seen through a microscope; unable to be seen even with a microscope.
Found on http://www.wordinfo.info/words/index/info/view_unit/2838/7

amicroscopic

Synonym for submicroscopic ... <optics> Particles which, although visible in the ultramicroscope, are too small to be resolved by visible light. This places their size between 0.2 Lm and 0.005 Lm. ... (05 Aug 1998) ...
Found on http://www.encyclo.co.uk/local/20973

amicroscopic

Type: Term Pronunciation: ā′mī-krō-skop′ik Synonyms: submicroscopic
Found on http://www.medilexicon.com/medicaldictionary.php?t=2776
No exact match found