ultramicroscope

[ uhl-truh-mahy-kruh-skohp ]
/ ˌʌl trəˈmaɪ krəˌskoʊp /

noun

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

OTHER WORDS FROM ultramicroscope

ul·tra·mi·cro·scop·ic [uhl-truh-mahy-kruh-skop-ik] /ˌʌl trəˌmaɪ krəˈskɒp ɪk/, ul·tra·mi·cro·scop·i·cal, adjective

Example sentences from the Web for ultramicroscopic

  • The term virus or filterable virus is likewise applied to these ultramicroscopic and filterable agents.

    The Fundamentals of Bacteriology |Charles Bradfield Morrey
  • In this way as well as by the inoculation of animals the presence of the ultramicroscopic kinds may be demonstrated.

    Insects and Diseases |Rennie W. Doane

British Dictionary definitions for ultramicroscopic (1 of 2)

ultramicroscopic
/ (ˌʌltrəˌmaɪkrəˈskɒpɪk) /

adjective

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

Derived forms of ultramicroscopic

ultramicroscopy (ˌʌltrəmaɪˈkrɒskəpɪ), noun

British Dictionary definitions for ultramicroscopic (2 of 2)

ultramicroscope
/ (ˌʌltrəˈmaɪkrəˌskəʊp) /

noun

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 background Also called: dark-field microscope

Medical definitions for ultramicroscopic (1 of 2)

ultramicroscopic
[ ŭl′trə-mī′krə-skŏpĭk ]

adj.

Too minute to be seen with an ordinary microscope.
Of or relating to an ultramicroscope.

Medical definitions for ultramicroscopic (2 of 2)

ultramicroscope
[ ŭl′trə-mīkrə-skōp′ ]

n.

A microscope with high-intensity illumination used to study very minute objects.