substitution
/ (ˌsʌbstɪˈtjuːʃən) /
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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
QUIZZES
QUIZ YOURSELF ON PARENTHESES AND BRACKETS APLENTY!
Set some time apart to test your bracket symbol knowledge, and see if you can keep your parentheses, squares, curlies, and angles all straight!
Question 1 of 7
Let’s start with some etymology: What are the origins of the typographical word “bracket”?
First appeared around 1750, and is related to the French word “braguette” for the name of codpiece armor.
First appeared in 1610, based on the French word “baguette” for the long loaf of bread.
First appeared in 1555, and is related to the French word “raquette” for a netted bat.
TAKE THE QUIZ TO FIND OUT Words nearby substitution
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Example sentences from the Web for substitution
Medical definitions for substitution
substitution
[ sŭb′stĭ-tōō′shən ]
n.
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.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.