Microscopy (noun)

1. The scientific study of minute objects using a microscope.
2. The use of microscopes to study small objects or organisms.

Origin:

From micro- + -scopy, from the greek skopein meaning "to look at".

Examples:

1. The microbiologist used microscopy to study the bacteria.
2. The scientist used microscopy to study the structure of cells.
3. Microscopy is used in many fields such as biology, medicine and materials science.
4. The electron microscopy provided high resolution images of the sample.
5. The microscope's magnification allowed for detailed microscopy of the specimen.