equivalent

adjective
equiv·​a·​lent | \ i-ˈkwiv-lənt How to pronounce equivalent (audio) , -ˈkwi-və- \

Definition of equivalent

1 : equal in force, amount, or value also : equal in area or volume but not superposable a square equivalent to a triangle
2a : like in signification or import
b : having logical equivalence equivalent statements
3 : corresponding or virtually identical especially in effect or function
4 obsolete : equal in might or authority
5 : having the same chemical combining capacity equivalent quantities of two elements
6a : having the same solution set equivalent equations
b : capable of being placed in one-to-one correspondence equivalent sets
c : related by an equivalence relation

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Other Words from equivalent

equivalent noun
equivalently adverb

Choose the Right Synonym for equivalent

same, selfsame, very, identical, equivalent, equal mean not different or not differing from one another. same may imply and selfsame always implies that the things under consideration are one thing and not two or more things. took the same route derived from the selfsame source very, like selfsame, may imply identity, or, like same may imply likeness in kind. the very point I was trying to make identical may imply selfsameness or suggest absolute agreement in all details. identical results equivalent implies amounting to the same thing in worth or significance. two houses equivalent in market value equal implies being identical in value, magnitude, or some specified quality. equal shares in the business

Did You Know?

Modern democracies have institutions and offices that are roughly equivalent to those found in others: the president of the United States has his British equivalent in the prime minister, for instance, and the U.S. Congress finds its equivalent in the British Parliament. The heavily armored knight on his great armored horse has been called the Middle Ages' equivalent of the army tank. In none of these examples are the two things identical to each other; they're simply very similar in their effect or purpose or nature, which is what equivalence usually implies.

Examples of equivalent in a Sentence

Those less-known companies manufacture equivalent products at cheaper prices. I haven't taken English 202, but I took an equivalent course at another university. an equivalent amount of money
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Recent Examples on the Web Stunningly, the health toll of social disconnection is estimated to be equivalent to the toll of smoking 15 cigarettes a day. Kate Julian, The Atlantic, 1 June 2021 Police said the mine consumed thousands of pounds worth of electricity (£1 is equivalent to around $1.40). Caitlin Ostroff, WSJ, 28 May 2021 The company expects a third of all full-size pickups to be electric by 2030, equivalent to more than 800,000 vehicles a year. Alan Ohnsman, Forbes, 28 May 2021 Compare that to the human genome which, at more than 3 billion letters long, is equivalent to a stack of 1,000 King James Bibles or about 725 megabytes of data. Stephen Ferguson Reprints, STAT, 28 May 2021 Hecht says the first two MOXIE runs have produced between 4 and 5 grams of oxygen, which is the volumetric equivalent to about a gallon under Earth’s atmospheric pressure. Eric Niiler, Wired, 28 May 2021 Under a first-tier shortage next year, for example, Arizona, Nevada and Mexico are preparing for cuts totaling 613,000 acre-feet, which Bernardo says is equivalent to 7-8 feet in Lake Mead. AZCentral.com, 27 May 2021 In a Phase 2/3 trial of 3,732 children ages 12 to 17 in the United States, blood tests showed that the vaccine produced an immune response that was equivalent to earlier findings in adults. John Bonifield, CNN, 25 May 2021 In 1981, American aid was equivalent to almost 10 percent of Israel’s economy. New York Times, 24 May 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'equivalent.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of equivalent

15th century, in the meaning defined at sense 1

History and Etymology for equivalent

Middle English, from Middle French or Late Latin; Middle French, from Late Latin aequivalent-, aequivalens, present participle of aequivalēre to have equal power, from Latin aequi- + valēre to be strong — more at wield

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Time Traveler for equivalent

Time Traveler

The first known use of equivalent was in the 15th century

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Statistics for equivalent

Last Updated

6 Jun 2021

Cite this Entry

“Equivalent.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/equivalent. Accessed 15 Jun. 2021.

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More Definitions for equivalent

equivalent

adjective

English Language Learners Definition of equivalent

: having the same value, use, meaning, etc.

equivalent

adjective
equiv·​a·​lent | \ i-ˈkwi-və-lənt How to pronounce equivalent (audio) \

Kids Definition of equivalent

 (Entry 1 of 2)

: alike or equal in number, value, or meaning

equivalent

noun

Kids Definition of equivalent (Entry 2 of 2)

: something like or equal to something else in number, value, or meaning "And I figure that dog is the equivalent of a person and a half."— Judy Blume, Sheila the Great

equivalent

adjective
equiv·​a·​lent | \ -lənt How to pronounce equivalent (audio) \

Medical Definition of equivalent

 (Entry 1 of 2)

1 : corresponding or virtually identical especially in effect or function drugs that are therapeutically equivalent
2 : having the same chemical combining capacity equivalent quantities of two elements

equivalent

noun

Medical Definition of equivalent (Entry 2 of 2)

1a : the relative weight of an element that has the same combining capacity as a given weight of another element : the atomic weight divided by the valence
b : the relative weight of a radical or compound that combines with a given weight of an element, radical, or compound especially : the weight of a compound that reacts with one equivalent of a given chemical element
2 : a psychopathological symptom replacing the usual one in a given disorder a twilight state may be an epileptic equivalent

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equivalent

noun
eq·​uiv·​a·​lent

Legal Definition of equivalent

: something that performs substantially the same function as another thing in substantially the same way — compare aggregation, combination, invention

Note: Under patent law, a patentee may bring a claim for infringement against the inventor of an equivalent.

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