colinear

/koʊˈlɪniər/
adjective
  1. Lying on the same straight line; having points that are on a single line.
    • If points A, B, and C are colinear, then the distance from A to C equals the sum of the distances from A to B and B to C.
    • The surveyor checked that the stakes were colinear along the property boundary.
    • In geometry class, we proved that the three points are colinear.
Synonyms
What does "colinear" mean? | whatsthatwordmean | whatsthatwordmean