equal sign

American  

Or equals sign

noun

Mathematics.

• equal signs
  plural

1. the symbol (=), used in a mathematical expression to indicate that the terms it separates are equal.

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equal sign British  

noun

1. the symbol =, used to indicate a mathematical equality

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Other Word Forms

Noun Inflected Forms

• equal signs
  plural

Etymology

Origin of equal sign

First recorded in 1905–10

Example Sentences

See Examples For:

equal sign

If we replace the equal sign with an inequality sign, we have a quadratic inequality in standard form.

From Textbooks ● May 6, 2020

An equation is two expressions linked by an equal sign.

From Textbooks ● May 6, 2020

Using this method, we add or subtract terms to both sides of the equation until we have a perfect square trinomial on one side of the equal sign.

From Textbooks ● Feb. 13, 2015

Find the product of the two matrices on the left side of the equal sign.

From Textbooks ● Feb. 13, 2015

I look at the blue-and-yellow equal sign sticker on the window by the door right below the Jump & Grind sign.

From "A High Five for Glenn Burke" by Phil Bildner