During the field season, we are ground truthing the remote-sensing data to ensure the classifications are accurate.

Before deploying the model, the research team performed extensive ground truthing to ensure the training labels matched real-world conditions.

I bought extra ground meat to make meatballs for the party.

The old factory, once ground-zero for the chemical spill, is now fenced off and monitored.

Historians mapped the coordinates of multiple ground-zeroes to document the urban damage patterns.

Years of use had ground down the statue's features until they were barely recognizable.

The above-ground storage tanks were inspected for leaks after the storm.

During the descent, the crew monitored the ground speed to ensure a smooth landing.

Before the inspection, the technician tightened the ground bars to eliminate any loose connections.

Engineers documented several ground failures after the heavy rains damaged the hillside.