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ultramicroscopic

British  
/ ˌʌltrəˌmaɪkrəˈskɒpɪk, ˌʌltrəmaɪˈkrɒskəpɪ /

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

Other Word Forms

  • ultramicroscopy noun

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

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

The increased understanding of ultramicroscopic cellular activities has led to the development of new drugs for a wide variety of disorders, including heart disease.

From Time Magazine Archive

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

From Time Magazine Archive

Blumberg found the cause to be an ultramicroscopic viruslike particle.

From Time Magazine Archive

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 Religion And Health by Walsh, James J. (James Joseph)