QUIZZES

TAKE ROUND 2 OF OUR PSAT VOCABULARY QUIZ!

Here is our second set of teacher-selected PSAT vocabulary words. Do you know the meanings of these terms?
Question 1 of 10
advocate
to give up possession or occupancy of.
to speak or write in favor of; support or urge by argument; recommend publicly.
to pronounce or decree by judicial sentence.
TAKE THE QUIZ TO FIND OUT

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

OTHER WORDS FROM substitute

Words nearby substitute

substantive right, substantivize, substation, substernal goiter, substituent, substitute, substitution, substitution cipher, substitution product, substitution reaction, substitution therapy
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Words related to substitution

trade, swap, change, exchange

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
  1. the uniform replacement of one expression by another
  2. 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, adjectivesubstitutability, noun

Word 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
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

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.