[kuh-lin-ee-er, koh-]

Origin of collinear

First recorded in 1720–30; col-1 + linear
Related formscol·lin·e·ar·i·ty, nouncol·lin·e·ar·ly, adverbnon·col·lin·e·ar, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for noncollinear


  1. lying on the same straight line
  2. having a common line
Derived Formscollinearity (ˌkɒlɪnɪˈærɪtɪ), nouncollinearly, adverb
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 noncollinear



1863, from col- + linear.

Online Etymology Dictionary, © 2010 Douglas Harper

noncollinear in Science


  1. Sharing a common line, such as two intersecting planes.
  2. 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.