- lying in the same straight line.
Origin of collinear
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for collinear
The cross ratio of a range of four collinear points can now be defined as a number characteristic of that range.
The half-lines r and s are collinear, and together form one complete line.
The collinear centres are the three sets of one external and two internal centres, and the three external centres.
- lying on the same straight line
- having a common line
Word Origin and History for collinear
Online Etymology Dictionary, © 2010 Douglas Harper
- Sharing a common line, such as two intersecting planes.
- Lying on the same line, such as a set of points.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.