equal sign

or equals sign

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noun Mathematics.

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

Origin of equal sign

First recorded in 1905–10

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for equal sign

equal sign

equals sign

noun

the symbol =, used to indicate a mathematical equality

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