adjective / verb / noun
parallel
PAR-uh-lel/ˈpærəlel/
Extending alongside at a constant distance without meeting.
The two railway rails remain parallel, keeping the same distance apart.

Etymology
The Greek components mean “beside one another.” In geometry, this became the precise relationship of lines that remain side by side without meeting, however far they extend.
In context
what do you think parallel vectors are parallel vectors they are in the same direction
More examples
- Opposite sides of a rectangle are parallel to each other.
- The bike path parallels the straight road for a mile.
- Use a ruler to draw a parallel to this line.
Forms
parallel · parallels · paralleled · paralleling
parallelism noun — The condition of lines or surfaces being parallel.
Similar words
- equidistant
- Means equally distant from something, not necessarily running alongside it.
- adjacent
- Means next to something, without requiring constant spacing.