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# number line

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noun Mathematics.

a straight line on which there is indicated a one-to-one correspondence between points on the line and the set of real numbers.

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Also called real line.

## Origin of number line

First recorded in 1955ā60

## Words nearby number line

number-cruncher, number crunching, numbered account, number eight wire, numberless, number line, number off, number one, number opera, numberplate, Numbers

Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, Ā© Random House, Inc. 2023

## How to use number line in a sentence

## British Dictionary definitions for number line

number line

noun

an infinite line on which points represent the real numbers

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
Ā© William Collins Sons & Co. Ltd. 1979, 1986 Ā© HarperCollins
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