perpendicular

But, on the day of an equinox, the tilt of Earth's axis is perpendicular to the Sun's rays, producing a nearly equal amount of day and night all over the world.

But someone in L.A. could have felt the “S” wave, in which bedrock oscillates perpendicular to the direction of the propagation of the wave, according to Page.

This braced leg then acted as a pivot for the rest of his body to contort over with his bowling arm up high in his unique 'beyond the perpendicular' style.

She dug a narrow, shallow, 41-foot-long trench in the ground, running perpendicular to the Pacific Ocean, and poured powdered ultramarine pigment into it.

They restricted their analysis to images that met strict criteria, such as only using images of giraffes perpendicular to the camera, so they could consistently take a variety of measurements.