substitution

/ (ˌsʌbstɪˈtjuːʃən) /

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See synonyms for substitution on Thesaurus.com

noun

the act of substituting or state of being substituted

something or someone substituted

maths the replacement of a term of an equation by another that is known to have the same value in order to simplify the equation

maths logic

the uniform replacement of one expression by another
substitution instance an expression so derived from another

QUIZ

QUIZ YOURSELF ON "IS" VS. "ARE"

"Is" it time for a new quiz? "Are" you ready? Then prove your excellent skills on using "is" vs. "are."

Question 1 of 7

IS and ARE are both forms of which verb?

have

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Words nearby substitution

substantivize, substation, substernal goiter, substituent, substitute, substitution, substitution cipher, substitution product, substitution reaction, substitution therapy, substitution transfusion

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

How to use substitution in a sentence

Some of these cutbacks can be achieved through more substitution and incremental steps.
How to Watch Out for Hidden Sugar and Replace With Leaner Substitutes|Diana Le Dean|February 23, 2013|DAILY BEAST
No prize transfer, assignment, or substitution by Winner is permitted.
The Orbitz Business Travel Survey Sweepstakes||December 14, 2012|DAILY BEAST
The substitution of an effect for a cause is an old technique and trick of classical sophistry.
Demonization Is No Excuse|Hussein Ibish|November 20, 2012|DAILY BEAST
The Prize is nontransferable and no substitution of the Prize by the Grand Prize Winner is allowed.
OFFICIAL RULES OF THE IMAX® Award Contest—Deadline Extended||October 8, 2012|DAILY BEAST

Yet here is the great problem with Murray's substitution of imagery for numbers in his social thought.
What the Founders Would Tell Charles Murray|David Frum|February 7, 2012|DAILY BEAST
But as both conceptions are related somehow to the idea of cost, the substitution is never discovered.
The Unsolved Riddle of Social Justice|Stephen Leacock
This one detail—the substitution of springs for weights—has had a far-reaching effect upon organ music.
The Recent Revolution in Organ Building|George Laing Miller
Koch notes that the reading depriued arose from its substitution for the less familiar form priued.
Chaucer's Works, Volume 1 (of 7) -- Romaunt of the Rose; Minor Poems|Geoffrey Chaucer
A second element of the "accent du Midi" just referred to is the substitution of an open for a close o.
Frdric Mistral|Charles Alfred Downer
The work is much quickened by the substitution of steam power, water power, or even horse power for manual labor.
The Wonder Book of Knowledge|Various

Medical definitions for substitution

substitution

[ sŭb′stĭ-tōō′shən ]

The replacement of an atom or group of atoms in a compound by another atom or group of atoms.

An unconscious defense mechanism by which the unacceptable or unattainable is replaced by something more acceptable or attainable.

substitution

Words nearby substitution

Words related to substitution

How to use substitution in a sentence

Medical definitions for substitution