ultramicroscope

[ uhl-truh-mahy-kruh-skohp ]

noun

1. an instrument that uses scattering phenomena to detect the position of objects too small to be seen by an ordinary microscope.

ultramicroscope

/ ˌʌltrəˈmaɪkrəˌskəʊp /

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 background Also calleddark-field microscope

Other Words From

• ul·tra·mi·cro·scop·ic [uhl-tr, uh, -mahy-kr, uh, -, skop, -ik], ultra·micro·scopi·cal adjective

Word History and Origins

Origin of ultramicroscope¹

First recorded in 1905–10; ultra- + microscope

Example Sentences

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

From Project Gutenberg

It is probably too small to be seen by any of our present microscopes, even the recently invented ultramicroscope.

From Project Gutenberg

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

From Project Gutenberg

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

From Project Gutenberg