straight line
adjective(straight-line)
being a mechanical linkage or equivalent device designed to produce or copy motion in a straight line
straight line
adjective(straight-line)
having the principal parts arranged in a straight line
straight line
adjective(straight-line)
marked by a uniform spread and especially in equal segments over a given term
straight line
noun(straight-line)
a powerful, fast-moving surface wind that lacks a rotational pattern and that can cause widespread damage