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

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

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NUMBER LINE Defined for Kids

number line

noun

Definition of number line for Students

: a line in which points are matched to numbers

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