noun
a line traced by a point traveling in a constant direction; a line of zero curvature (Freq. 7)
-
the shortest distance between two points is a straight line
• Ant: ↑curve
• Hypernyms: ↑line
• Hyponyms:
↑perpendicular, ↑asymptote, ↑tangent, ↑secant, ↑radius, ↑diameter, ↑chord, ↑element, ↑diagonal, ↑bias, ↑vector
* * *
noun : a curve traced by a point traveling invariably in the same direction : a one-dimensional continuum of zero curvature : the collection of all points whose coordinates satisfy a linear equation in two-dimensional geometry or two simultaneous linear equations in three-dimensional geometry
Useful english dictionary. 2012.