a straight line on which there is indicated a one-to-one correspondence between points on the line and the set of real numbers.
Why Veterans Day And The Number 11 Are Tied TogetherNovember 11th is the 315th day of the year (except on leap years). It’s also Veterans Day, a federal holiday honoring all military veterans.
Origin of number line
First recorded in 1955–60
Also called real line.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for number line
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