ultramicroscope

/uhl-truh-mahy-kruh-skohp/US // ˌʌl trəˈmaɪ krəˌskoʊp //UK // (ˌʌltrəˈmaɪkrəˌskəʊp) //

超显微镜,超微镜,超微显微镜,超声显微镜

Definitions

n.名词 noun

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

The above action can be readily demonstrated in vitro by means of the ultramicroscope.
It is probably too small to be seen by any of our present microscopes, even the recently invented ultramicroscope.
Colloidal particles are, however, generally visible under the Zigmondy "ultramicroscope."
What I saw through that ultramicroscope was not an unproven theory, but a fact.