Simple Definition of plus sign

from our Learner's Dictionary

plus sign

noun

plural plus signs
: the symbol + used to show that a number is being added to another number or that a quantity is greater than zero

Cite this Entry

“Plus sign.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/plus%20sign. Accessed 24 Jun. 2026.

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