mi·cro·graph

[mahy-kruh-graf, -grahf]
noun
1.
an instrument for executing extremely minute writing or engraving.
2.
Optics. a photograph taken through a microscope or a drawing of an object as seen through a microscope.

Origin:
1870–75; micro- + -graph

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Based on the Random House Dictionary, © Random House, Inc. 2013.
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Collins
World English Dictionary
micrograph (ˈmaɪkrəʊˌɡrɑːf, -ˌɡræf) [Click for IPA pronunciation guide]
 
n
1.  a photograph or drawing of an object as viewed through a microscope
2.  an instrument or machine for producing very small writing or engraving

Collins English Dictionary - Complete & Unabridged 10th Edition
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00:10
Micrograph is always a great word to know.
So is zedonk. Does it mean:
a chattering or flighty, light-headed person.
the offspring of a zebra and a donkey.
American Heritage
Medical Dictionary

micrograph mi·cro·graph (mī'krə-grāf')
n.

  1. A drawing or photographic reproduction of an object as viewed through a microscope.

  2. 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.
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American Heritage
Science Dictionary
micrograph   (mī'krə-grāf')  Pronunciation Key 
A drawing or photograph taken from an image formed by a microscope.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Example sentences
In the upper left of the figure, there is an optical micrograph of concrete.
Micrograph of a low malignant mucinous ovarian tumor.
Mycobacterium tuberculosis under scanning electron micrograph.
Scanning electron micrograph of an untreated wool fiber.
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