Dictionary.com
definitions
  • synonyms

ultramicroscope

[uhl-truh-mahy-kruh-skohp]
See more synonyms on Thesaurus.com
noun
  1. an instrument that uses scattering phenomena to detect the position of objects too small to be seen by an ordinary microscope.

Origin of ultramicroscope

First recorded in 1905–10; ultra- + microscope
Related formsul·tra·mi·cro·scop·ic [uhl-truh-mahy-kruh-skop-ik] /ˌʌl trəˌmaɪ krəˈskɒp ɪk/, ul·tra·mi·cro·scop·i·cal, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for ultramicroscope

Historical Examples

  • What I saw through that ultramicroscope was not an unproven theory, but a fact.

    The Girl in the Golden Atom

    Raymond King Cummings

  • The above action can be readily demonstrated in vitro by means of the ultramicroscope.

  • Colloidal particles are, however, generally visible under the Zigmondy "ultramicroscope."

    The Chemistry of Plant Life

    Roscoe Wilfred Thatcher


British Dictionary definitions for ultramicroscope

ultramicroscope

noun
  1. a microscope used for studying colloids, in which the sample is strongly illuminated from the side and colloidal particles are seen as bright points on a dark backgroundAlso called: dark-field microscope
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

ultramicroscope in Medicine

ultramicroscope

(ŭl′trə-mīkrə-skōp′)
n.
  1. A microscope with high-intensity illumination used to study very minute objects.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.