micrograph

Noun

mi=cro=graph

CIDE DICTIONARY

micrograph, n. [See Micrography.].

An instrument for executing minute writing or engraving. [1913 Webster]
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. [PJC]

micrograph, n. a photograph taken by means of a microscope.

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