# equivalent

[ih-kwiv-uh-luh nt or for 5, ee-kwuh-vey-luh nt]

- equal in value, measure, force, effect, significance, etc.: His silence is equivalent to an admission of guilt.
- corresponding in position, function, etc.: In some ways their prime minister is equivalent to our president.
- Geometry. having the same extent, as a triangle and a square of equal area.
- Mathematics. (of two sets) able to be placed in one-to-one correspondence.
- Chemistry. having the same capacity to combine or react chemically.

- something that is equivalent.

## Origin of equivalent^{}

## Synonyms

See more synonyms on Thesaurus.com1. See equal.

Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

# equivalent

- equal or interchangeable in value, quantity, significance, etc
- having the same or a similar effect or meaning
- maths
- having a particular property in common; equal
- (of two equations or inequalities) having the same set of solutions
- (of two sets) having the same cardinal number

- maths logic (of two propositions) having an equivalence between them

- something that is equivalent
- short for equivalent weight

## Word Origin

C15: from Late Latin aequivalēns, from aequivalēre to be equally significant, from Latin aequi- equi- + valēre to be worth

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

## Word Origin and History for unequivalent

# equivalent

Online Etymology Dictionary, © 2010 Douglas Harper

# equivalent

(ĭ-kwĭv′ə-lənt)

- Equal, as in value, force, or meaning.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

# equivalent

[ĭ-kwĭv′ə-lənt]

- Equal, as in value, meaning, or force.
- Of or relating to a relation between two elements that is reflexive, symmetric, and transitive.
- Having a one-to-one correspondence, as between parts. Two triangles having the same area are equivalent, as are two congruent geometric figures.

The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.