reflection [ ri- flek-sh uhn ] SHOW IPA / rɪˈflɛk ʃən / PHONETIC RESPELLING noun 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. an image; representation; counterpart. a fixing of the thoughts on something; careful consideration. a thought occurring in consideration or meditation. an unfavorable remark or observation. the casting of some imputation or reproach. Physics, Optics. the return of light, heat, sound, etc., after striking a surface. something so reflected, as heat or especially light. Mathematics. (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. (in space) the replacement of each point on one side of a plane by the symmetric point on the other side of the plane. Anatomy. the bending or folding back of a part upon itself. SEE MORE SEE LESS QUIZZES QUIZ YOURSELF ON “ITS” VS. “IT’S”!
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especially British, re·flex·ion . Origin of reflection
1350–1400; Middle English <Late Latin
) a bending back, equivalent to Latin
-iōn- -ion OTHER WORDS FROM reflection re·flec·tion·al, adjective re·flec·tion·less, adjective in·ter·re·flec·tion, noun non·re·flec·tion, noun o·ver·re·flec·tion, noun self-re·flec·tion, noun su·per·re·flec·tion, noun WORDS THAT MAY BE CONFUSED WITH reflection diffraction, diffusion, reflection , rarefaction, refraction
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
Example sentences from the Web for reflection
Before we get to all that, permit me a brief
reflection on this matter of Steve Scalise.
The expatriated ex-rebels became alarmed by the non-receipt of the indemnity instalment and the news from their homes.
Arrived at the dépôt, I discharged my porter, sat down and waited for the place to open, with ample leisure for
He also states that the Audiencia is virtually non-existent, and so there is no high court in which justice may be sought.
You speak with about as little
reflection as we might expect from one of those children down there playing in the sand.
But he could not bear the
reflection, and with fevered impatience, he hurried through the business of the morning. noun the act of reflecting or the state of being reflected something reflected or the image so produced, as by a mirror careful or long consideration or thought implicit or explicit attribution of discredit or blame maths a transformation in which the direction of one axis is reversed or which changes the sign of one of the variables anatomy the bending back of a structure or part upon itself Derived forms of reflection reflectional or reflexional, adjective
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
n. The act of reflecting or the state of being reflected. Something, such as light, radiant heat, sound, or an image, that is reflected. The folding of a membrane from the wall of a cavity over an organ and back to the wall. The folds so made. Mental concentration; careful consideration. A thought or an opinion resulting from such consideration. Other words from reflection re•flec ′tion•al adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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. ♦ According to the law of reflection, the angle of reflection of a reflected wave is equal to its angle of incidence. Compare refraction. See more at wave. Something, such as sound, light, or heat, that is reflected.
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
A bouncing of
light off a surface. People see themselves in mirrors through reflection. ( Compare refraction.)
The New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.