- 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
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
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.
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