non-intersecting lines

noun
UK /ˌnɒn.ɪn.təˈsek.tɪŋ laɪnz/
US /ˌnɑːn.ɪn.tɚˈsek.tɪŋ laɪnz/

Lines that never cross each other, no matter how far they go.

The two roads are like non-intersecting lines because they run side by side and never meet.


OTHER MEANINGS

2. Lines in a plane that stay the same distance apart at every point.

In the drawing, the non-intersecting lines stay exactly two centimeters apart.

3. Paths or routes that do not cross or share any point.

The train tracks are non-intersecting lines that run parallel through the valley.

4. In geometry, lines that have no common point even when extended infinitely.

The teacher explained that non-intersecting lines never share a point.