number line


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 All the numbers on the number line, when squared, yield a positive number; 22 = 4, and (-2)2 = 4. Quanta Magazine, 3 Mar. 2021 For those 21 number line values, over seven dimensions of coordinates have almost 2 billion possible combinations. Caroline Delbert, Popular Mechanics, 31 Aug. 2020 The spacing of the number line is the most basic example of a phenomenon found throughout the field of number theory. Quanta Magazine, 14 May 2020 These percentage changes determine the location of the category bubbles on the number line, with positive changes representing more spending shown as green bubbles and negative changes representing less spending shown as orange bubbles. New York Times, 23 Apr. 2020 Notice that every part of the number line appears to be covered by some interval. Quanta Magazine, 10 Mar. 2020 The actual number lining the streets of Ahmedabad on Monday was well under one-tenth that amount. Peter Baker, New York Times, 25 Feb. 2020 The real numbers, for example, include every point on the number line, even the strange ones like π that have endless, non-repeating decimal representations. Quanta Magazine, 20 Feb. 2019 For any particular denominator, only part of the number line will be colored in. Leila Sloman, Scientific American, 16 Sep. 2019

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.

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First Known Use of number line

1956, in the meaning defined above

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The first known use of number line was in 1956

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Cite this Entry

“Number line.” Dictionary, Merriam-Webster, Accessed 15 Jun. 2021.

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More Definitions for number line

number line


Kids Definition of number line

: a line in which points are matched to numbers

More from Merriam-Webster on number line Encyclopedia article about number line


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