Oceanographers lowered Secchi disks to measure water clarity at different depths.

The technician pulled several Winchester disks from the storage cabinet to recover the archived data.

Children dropped colored pebbles onto the frozen lake, making perfect ice disks that sparkled in the afternoon sun.

Early television pioneers used Nipkov disks to scan images mechanically.

To cover the region efficiently, the algorithm selects overlapping unit disks centered on lattice points.

The library donated several old optical disks to the technology museum last week.

The ophthalmologist carefully examined the patient's optic disks using a slit lamp and fundus photography.

Under the microscope, the annelid larvae displayed two distinct trochal disks that propelled them through the water.

Scientists modeled how Alderson disks would affect planetary climates across a binary star system.

I found several compact disks in the attic and decided to digitize their contents.