microscopy

n. microscopic investigation; use of a microscope

Microscopy is any technique for producing visible images of structures or details too small to otherwise be seen by the human eye, using a microscope or other magnification tool. It is often used more specifically as a technique of using a microscope. Microscopy has evolved with the development of microscopes. Hence there are three main branches of microscopy; optical, electron and scanning probe microscopy.
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Microscopy /mi·cros·co·py/ examination under or observation by means of the microscope. mi·cros·co·py n. 1. The study of microscopes. 2. [more]Microscopy - Community and Resources

Noun
1. research with the use of microscopes
(hypernym) research
(hyponym) electron microscopy
(class) stain

(n.)
The use of the microscope; investigation with the microscope.