equivalent

adjective

equiv·​a·​lent i-ˈkwi-və-lənt 

-ˈkwiv-lənt

1

: equal in force, amount, or value

also : equal in area or volume but not superposable

a square equivalent to a triangle

2

a

: 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

6

a

: 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

equivalent noun

equivalently adverb

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.

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

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

Recent Examples on the Web

Net interest income on a fully taxable equivalent basis was $16,138,000, an increase from $15,224,000 in the previous year. —Quartz Bot, Quartz, 7 Nov. 2024

This doesn’t mean that the two parties’ political strengths and weaknesses in this election are perfectly equivalent and offsetting in the battleground state of Wisconsin. —Craig Gilbert, Journal Sentinel, 5 Nov. 2024

One packet of plain instant oatmeal contains about 4 grams of fiber, while the equivalent amount of steel-cut oats (about one-third cup dry) contains 5 grams.1314 Summary Oats are a nutrient-dense, versatile choice for breakfast for people with diabetes. —Karina Tolentino, Verywell Health, 4 Nov. 2024

In the past tracking frame, Luminate reports that Harry’s House shifted another 8,150 equivalent units throughout the country. —Hugh McIntyre, Forbes, 4 Nov. 2024

Word History

Etymology

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

First Known Use

15th century, in the meaning defined at sense 1

Phrases Containing equivalent

• equivalent weight
• gram equivalent
• topologically equivalent

Kids Definition

equivalent

1 of 2 adjective

equiv·​a·​lent

i-ˈkwiv(-ə)-lənt

1

a

: alike or equal in number, value, or meaning

equivalent statements

b

: having the same numerical value

equivalent fractions

equivalent numerals

c

: having the same solution set

y = 2 and 2y = 4 are equivalent equations

2

: having the same effect or function

equivalent methods

3

: capable of being placed in a one-to-one correspondence

equivalent sets

equivalently adverb

equivalent

2 of 2 noun

: one that is equivalent

especially : a number (as a decimal) that is equivalent to another (as a fraction)

Medical Definition

equivalent

1 of 2 adjective

equiv·​a·​lent -lənt 

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

2 of 2 noun

1

a

: 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

Legal Definition

equivalent

noun

eq·​uiv·​a·​lent

: 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.