reflection
Americannoun
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the act of reflecting, as in casting back a light or heat, mirroring, or giving back or showing an image; the state of being reflected in this way.
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an image; representation; counterpart.
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a fixing of the thoughts on something; careful consideration.
- Synonyms:
- thinking, study, cogitation, deliberation, rumination, meditation
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a thought occurring in consideration or meditation.
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an unfavorable remark or observation.
- Synonyms:
- criticism, reproach, aspersion, imputation
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the casting of some imputation or reproach.
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Physics, Optics.
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the return of light, heat, sound, etc., after striking a surface.
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something so reflected, as heat or especially light.
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Mathematics.
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(in a plane) the replacement of each point on one side of a line by the point symmetrically placed on the other side of the line.
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(in space) the replacement of each point on one side of a plane by the symmetric point on the other side of the plane.
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Anatomy. the bending or folding back of a part upon itself.
noun
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the act of reflecting or the state of being reflected
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something reflected or the image so produced, as by a mirror
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careful or long consideration or thought
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implicit or explicit attribution of discredit or blame
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maths a transformation in which the direction of one axis is reversed or which changes the sign of one of the variables
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anatomy the bending back of a structure or part upon itself
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The change in direction of a wave, such as a light or sound wave, away from a boundary the wave encounters. Reflected waves remain in their original medium rather than entering the medium they encounter.
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◆ According to the law of reflection, the angle of reflection of a reflected wave is equal to its angle of incidence.
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Compare refraction See more at wave
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Something, such as sound, light, or heat, that is reflected.
Other Word Forms
- interreflection noun
- nonreflection noun
- overreflection noun
- reflectional adjective
- reflectionless adjective
- self-reflection noun
- superreflection noun
Etymology
Origin of reflection
First recorded in 1350–1400; Middle English, from Late Latin reflexiōn-, stem of reflexiō “a bending back,” from Latin reflex(us) “bent back” (past participle of reflectere; reflect ) + -iō -ion
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.
Instead, Pope Leo XIV has spoken repeatedly about his concerns over how migrants are treated in the US, calling for "deep reflection" on the matter in November.
From BBC
The results are the latest reflection of workers’ individual sentiment decoupling from broader economic figures.
From MarketWatch
“But like lightness, darkness stems from a reflection of the world.”
As part of a national day of reflection, Bondi was to host a memorial later on Sunday.
From BBC
Shanaz Gulzar, creative director of Bradford 2025 UK City of Culture, described Brighter Still as a "dynamic reflection of Bradford, honouring our heritage, marking the present and looking to the future".
From BBC
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.