a graphic image, such as a photograph or drawing, representing an object as seen with a microscope, usually much enlarged as compared with the original object. A photograph of a microscopic image is also called a photomicrograph or microphotograph.

Photograph of an image seen through a microscope. May be either a light micrograph or an electron micrograph depending on the type of microscope employed.

An image obtained under the microscope, for example, a scanning electron microscope.

An instrument for executing minute writing or engraving.