Photomicrograph \Pho`to*mi"cro*graph\ (f[=o]`t[-o]*m[imac]"kr[-o]*gr[.a]f), n. [Photo- + micro + -graph.] 1. An enlarged or macroscopic photograph of a microscopic object. See {Microphotograph}. [1913 Webster] 2. A microscopically small photograph of an object. [1913 Webster]
Micrograph \Mi"cro*graph\, n. [See {Micrography}.] 1. An instrument for executing minute writing or engraving. [1913 Webster] 2. 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]