ultramicroscopic

/ ˌʌltrəˌmaɪkrəˈskɒpɪk; ˌʌltrəmaɪˈkrɒskəpɪ /

adjective

1. too small to be seen with an optical microscope
2. of or relating to an ultramicroscope

Derived Forms

• ultramicroscopy, noun

Example Sentences

Its predictions are stunningly accurate, and its power to grasp the unseen ultramicroscopic world has brought us modern marvels.

From New York Times

Another of the ultramicroscopic microbes is perhaps the cause of influenza which carried off in a few months more victims among young people than the greatest war in human history did in over four years.

From Project Gutenberg

In this way as well as by the inoculation of animals the presence of the ultramicroscopic kinds may be demonstrated.

From Project Gutenberg

We hastened to assure the Professor that, in accordance with the high standards of honour represented by our journal, we should of course regard anything that he might say as ultramicroscopic and treat it accordingly.

From Project Gutenberg

Horse-sickness takes ten short days to develop after infection, and the organism is so tiny that it passes through the finest filter and is ultramicroscopic.

From Project Gutenberg