[ mahy-kruh-graf, -grahf ]
/ ˈmaɪ krəˌgræf, -ˌgrɑf /


an instrument for executing extremely minute writing or engraving.
Optics. a photograph taken through a microscope or a drawing of an object as seen through a microscope.


Can You Ace This Quiz About “Compliment” vs. “Complement”?
Take this quiz to see if you really know the difference between “compliment” and “complement"!
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“Compliment” and “complement” had a shared meaning a long time ago, but today they are no longer interchangeable.

Origin of micrograph

First recorded in 1870–75; micro- + -graph
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for micrograph

/ (ˈmaɪkrəʊˌɡrɑːf, -ˌɡræf) /


a photograph or drawing of an object as viewed through a microscope
an instrument or machine for producing very small writing or engraving
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for micrograph

[ mīkrə-grăf′ ]


A drawing or photographic reproduction of an object as viewed through a microscope.
An instrument for measuring minute movements by recording photographically corresponding movements registered by a diaphragm moving in unison with the original object.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Scientific definitions for micrograph

[ mīkrə-grăf′ ]

A drawing or photograph taken from an image formed by a microscope.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.