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ultramicroscopic

British  
/ ˌʌltrəˌmaɪkrəˈskɒpɪk /

adjective

  1. too small to be seen with an optical microscope

  2. of or relating to an ultramicroscope

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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Example Sentences

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See Examples For:

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

From New York Times ● May 8, 2018

It probably belongs therefore to the class of ultramicroscopic organisms called filterable viri.

From Time Magazine Archive

Felix d'Herelle thinks the bacteriophage is an ultramicroscopic living organism which is parasitic in bacteria and reproduces itself.

From Time Magazine Archive

Blumberg found the cause to be an ultramicroscopic viruslike particle.

From Time Magazine Archive

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 Sketches of the East Africa Campaign by Robert Valentine Dolbey

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