number line

noun

Definition of number line

: a line of infinite extent whose points correspond to the real numbers according to their distance in a positive or negative direction from a point arbitrarily taken as zero

Examples of number line in a Sentence

Recent Examples on the Web As the atoms of arithmetic, prime numbers have always occupied a special place on the number line. Quanta Magazine, 6 June 2022 In this way, primitive sets might comprise a hefty chunk of the number line. Quanta Magazine, 6 June 2022 Their paper shows the non-surprising result that playing a game on a number line improves preschoolers’ performance on a task of approximating the position of a number on the line. James Freeman, WSJ, 3 May 2022 If the Riemann hypothesis is true, the Riemann zeta function explains how primes are distributed on the number line. Kevin Hartnett, Quanta Magazine, 13 Jan. 2022 Real numbers are all the continuous numbers from the number line. Gabriel A. Silva, Forbes, 3 Sep. 2021 Those groups can also be given a preview of the next topic, such as learning about decimals by doing an activity on a number line, to boost their confidence moving forward. al, 25 Aug. 2021 Take the real numbers — all the infinitely many tick marks on the number line. Quanta Magazine, 10 June 2021 Take the real numbers—all the infinitely many tick marks on the number line. Kevin Hartnett, Wired, 20 June 2021 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'number line.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of number line

1956, in the meaning defined above

Learn More About number line

Time Traveler for number line

Time Traveler

The first known use of number line was in 1956

See more words from the same year

Dictionary Entries Near number line

numberless

number line

number nine iron

See More Nearby Entries 

Statistics for number line

Last Updated

27 Jun 2022

Cite this Entry

“Number line.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/number%20line. Accessed 12 Aug. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

More Definitions for number line

number line

noun

Kids Definition of number line

: a line in which points are matched to numbers

More from Merriam-Webster on number line

Britannica.com: Encyclopedia article about number line

WORD OF THE DAY

Test Your Vocabulary

Odd Habits and Quirks

  • image1926873504
  • Which of the following best describes an easily irritated person?
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!