She drained a step-back three-pointer from behind the arc to win the game.

The engineer measured the circular arc to calculate the curvature of the pipe.

When the doctor tapped his knee, the reflex arc caused his lower leg to jerk involuntarily.

The welder adjusted the carbon arc to maintain a stable bead along the seam.

The referee asked the defenders to stay outside the penalty arc during the free kick.

The telescope resolved two stars separated by just one second of arc.

The telescope can resolve details as small as one minute of arc on the lunar surface.

The astrologer calculated the planet's diurnal arc to determine how long it would influence the house between its rising and setting.

The museum restored an antique arc lamp to illuminate the industrial exhibit.

The architect used several circular arcs to soften the building's silhouette.