Origin of substitute
1350–1400; Middle English < Latin
substitūtus (past participle of
substituere to put in place of), equivalent to
sub-
sub- +
-stitū-, combining form of
statū-, past participle stem of
statuere (see
substituent) +
-tus past participle suffix
SYNONYMS FOR substitute
OTHER WORDS FROM substitute
Words nearby substitute
Example sentences from the Web for substitution
British Dictionary definitions for substitution (1 of 2)
substitution
/ (ˌsʌbstɪˈtjuːʃən) /
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
British Dictionary definitions for substitution (2 of 2)
substitute
/ (ˈsʌbstɪˌtjuːt) /
verb
noun
Derived forms of substitute
substitutable, adjective substitutability, nounWord Origin for substitute
C16: from Latin
substituere, from
sub- in place of +
statuere to set up
usage for substitute
Substitute is sometimes wrongly used where
replace is meant:
he replaced (not
substituted)
the worn tyre with a new one
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.