What context can I use each word in?
Learn when and how to use these words with these examples!
colinear
Example
The three points A, B, and C are colinear. [colinear: adjective]
Example
In geometry, colinear points are used to determine the direction of a line. [colinear: noun]
collinear
Example
The collinear points P, Q, and R form a straight line. [collinear: adjective]
Example
In mathematics, collinear points are used to solve problems involving lines and angles. [collinear: noun]
Good things to know
Which word is more common?
Colinear is more commonly used than collinear in mathematics and geometry contexts. It is the preferred spelling and more widely recognized by mathematicians and educators.
What’s the difference in the tone of formality between colinear and collinear?
Both colinear and collinear are formal terms used in technical and academic settings, particularly in mathematics and geometry.
