[ mag-nuh-fi-key-shuhn ]
/ ˌmæg nə fɪˈkeɪ ʃən /
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the act of magnifying or the state of being magnified.
the power to magnify. Compare power (def. 20a).
a magnified image, drawing, copy, etc.
Were you ready for a quiz on this topic? Well, here it is! See how well you can differentiate between the uses of "was" vs. "were" in this quiz.
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“Was” is used for the indicative past tense of “to be,” and “were” is only used for the subjunctive past tense.

Origin of magnification

First recorded in 1615–25, magnification is from the Late Latin word magnificātiōn- (stem of magnificātiō). See magnify, -fication

OTHER WORDS FROM magnification

o·ver·mag·ni·fi·ca·tion, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use magnification in a sentence

British Dictionary definitions for magnification

/ (ˌmæɡnɪfɪˈkeɪʃən) /

the act of magnifying or the state of being magnified
the degree to which something is magnified
a copy, photograph, drawing, etc, of something magnified
a measure of the ability of a lens or other optical instrument to magnify, expressed as the ratio of the size of the image to that of the object
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 magnification

[ măg′nə-fĭ-kāshən ]

The act of magnifying or the state of being magnified.
Something that has been magnified; an enlarged representation, image, or model.
The ratio of the size of an image to the size of an object.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.