rectilíneo
rectilinear
adjective rrek-tee-LEE-neh-oh Rare
Origin: From Latin rectilineus: rectus (straight) + linea (line).
Also means
straight-line
Usage Note
Rectilíneo is a technical or formal adjective meaning composed of straight lines or moving in a straight line — movimiento rectilíneo uniforme (uniform rectilinear motion) is a key phrase in physics. The feminine form is rectilínea. In everyday speech recto (straight) is the common substitute.
Examples
"El camino rectilíneo cruza toda la llanura."
Natural Translation
The straight-line road crosses the entire plain.
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