[mag-nuh-fi-key-shuh n]
See more synonyms for magnification on

Origin of magnification

First recorded in 1615–25, magnification is from the Late Latin word magnificātiōn- (stem of magnificātiō). See magnify, -fication
Related formso·ver·mag·ni·fi·ca·tion, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for magnification

Historical Examples of magnification

British Dictionary definitions for magnification


  1. the act of magnifying or the state of being magnified
  2. the degree to which something is magnified
  3. a copy, photograph, drawing, etc, of something magnified
  4. 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

Word Origin and History for magnification

early 15c., from Late Latin magnificationem (nominative magnificatio), noun of action from past participle stem of magnificare (see magnify).

Online Etymology Dictionary, © 2010 Douglas Harper

magnification in Medicine


  1. The act of magnifying or the state of being magnified.
  2. Something that has been magnified; an enlarged representation, image, or model.
  3. 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.