Thesaurus
Translate
Puzzles & Games
Word of the Day
Blog
Slideshows
Apps by Dictionary
My Account
Log Out
Log In
follow Dictionary.com
Dictionary
Thesaurus
Translate
More...
Our Blog
Daily Crossword
Crossword Solver
Is irregardless a word?
Favorite Button
CITE
Translate
Facebook
Share
Twitter
Tweet
Google+
Share
number line
Word Origin
noun
,
Mathematics
1.
a straight line on which there is indicated a one-to-one correspondence between points on the line and the set of real numbers.
Expand
Also called
real line
.
Origin of
number line
Expand
1955-1960
1955-60
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
Cite This Source
British Dictionary definitions for
number line
Expand
number line
noun
1.
an infinite line on which points represent the real numbers
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Cite This Source
Discover our greatest slideshows
Penny-farthings to Panniers: 7...
Speak with Savoir-faire: 10 French...
A Wordy Look at Inside Out's 5...
Seven Wacky Words Born in the USA
Browse more topics on our blog
What Is the Difference Between Discreet and Discrete?
Learn the correct uses of these two commonly confused homophones.
What Character Was Removed from the Alphabet?
What mistaken pronunciation gave this character its name?
Apostrophes 101
This small mark has two primary uses: to signify possession or omitted letters.
How Do I Get a Word into the Dictionary?
People invent new words all the time, but which ones actually make it?
Word of the Day
Difficulty index for
number line
Few English speakers likely know this word
Word Value for
number
10
14
Scrabble
Words With Friends
Nearby words for number line
number crunching
number eight iron
number eight iron's
number eight irons
number eight irons'
number eight wire
number five iron
number five iron's
number five irons
number five irons'
number four iron
number four iron's
number four irons
number four irons'
number four wood
number four wood's
number four woods
number four woods'
number iron
number iron's
number irons
number irons'
number is up, one's
number is up, someone's
number keys
number line
number nine iron
number nine iron's
number nine irons
number nine irons'
number off
number one
number one iron
number one iron's
number one irons
number one irons'
number one wood
number one wood's
number one woods
number one woods'
number opera
number seven iron
number seven iron's
number seven irons
number seven irons'
number sign
number sign's
number signs
number signs'
number six iron
number six iron's