[ kuh-lin-ee-er, koh- ]
/ kəˈlɪn i ər, koʊ- /


lying in the same straight line.

Origin of collinear

First recorded in 1720–30; col-1 + linear

Related forms

col·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

Examples from the Web for collinear

British Dictionary definitions for collinear


/ (kɒˈlɪnɪə) /


lying on the same straight line
having a common line

Derived Forms

collinearity (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

Science definitions for collinear


[ kə-lĭnē-ər ]

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.