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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

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

"In fact," added the Professor, with what we thought a quiet note of warning in his voice, "I need hardly tell you that what we are dealing with must be regarded as altogether ultramicroscopic."

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