Dictionary

straight–line

adjective \ˈstrāt-ˈlīn\

Definition of STRAIGHT-LINE

1
:  being a mechanical linkage or equivalent device designed to produce or copy motion in a straight line
2
:  having the principal parts arranged in a straight line
3
:  marked by a uniform spread and especially in equal segments over a given term <straight–line amortization> <straight–line depreciation>
4
:  occurring, measured, or made in or along a straight line <straight–line motion> <straight–line extrapolation>
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First Known Use of STRAIGHT-LINE

1843
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