The engineer ground loops the probe to reduce measurement noise.

The audio engineer spent the afternoon tracking down ground loops that caused the hum in the recording.

The technician traced the hum in the audio system to a ground loop between the amplifier and the mixer.

During the gusty crosswind landing, the vintage taildragger began to ground loop, forcing the pilot to shut down the engine to prevent further damage.

The antique shop displayed a beautiful piece of ground-glass.

Despite the pressure from the opposing team, she refused to give ground on her decision.

Paleontologists unearthed fossilized bones of several ground sloths at the site.

The paleontologist carefully brushed dust from the fossilized bones of a ground sloth.

After the investigation intensified, the whistleblower had gone to ground to avoid being found.

At the first sign of danger, the rabbit goes to ground and hides in its burrow.