equal sign

noun

: a sign = indicating mathematical or logical equivalence

called also equality sign, equals sign

Examples of equal sign in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The second difference is the equal sign instead of less-than-or-equal. Rhett Allain, Wired News, 10 Mar. 2026 On the far left, the three purple squares must not equal one another (hence the equal sign crossed out). Erik Kain, Forbes.com, 1 Jan. 2026

Word History

First Known Use

1854, in the meaning defined above

Time Traveler
The first known use of equal sign was in 1854

Cite this Entry

“Equal sign.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/equal%20sign. Accessed 5 Jul. 2026.

Kids Definition

equal sign

noun
: a sign = meaning mathematical or logical equality

called also equality sign, equals sign

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