number line

noun
|Updated on: 15 Jun 2018

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

Recent Examples of number line from the Web

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

See Words from the same year
NEW! Time Traveler

NUMBER LINE Defined for Kids

number line

noun

Definition of number line for Students

: a line in which points are matched to numbers

Learn More about number line


Seen and Heard

What made you want to look up number line? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

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

WORD OF THE DAY

soothing, mild, or foolish

Get Word of the Day daily email!

Test Your Vocabulary

Name More Food!

True or False

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

TAKE THE QUIZ
Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.

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!