mirror image
Americannoun
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an image of an object, plan, person, etc., as it would appear if viewed in a mirror, with right and left reversed.
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an object having a spatial arrangement that corresponds to that of another object except that the right-to-left sense on one object corresponds to the left-to-right sense on the other.
noun
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an image as observed in a mirror
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an object that corresponds to another object in the same way as it would correspond to its image in a mirror
Etymology
Origin of mirror image
First recorded in 1880–85
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The Nobel laureates answered the question: Why does life favour just one of these mirror image molecules over the other.
From BBC ● Oct. 7, 2026
For the visitors, the productivity was a maddening mirror image.
From Los Angeles Times ● Sep. 27, 2026
Notice also that midcap relative strength compared with the large caps is often the mirror image of midcap relative strength compared with the small caps.
From MarketWatch ● Aug. 11, 2026
The difference was that one critical region existed as a mirror image in each model.
From Science Daily ● Jul. 6, 2026
P means taking the mirror image, so left and right are interchanged.
From "A Brief History of Time: And Other Essays" by Stephen Hawking
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Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
