The fixed disk on the backup server contained several corrupted files.

The technician replaced the failing hard disk to recover the customer's data.

Astronomers observed spiral structures in the protoplanetary disk encircling the young star.

The marine biologist lowered the Secchi disk into the bay to assess the water's clarity.

Under the microscope, the trochal disk of the rotifer beat rhythmically, creating currents that drew in microscopic food particles.

Scientists simulated the climate of an Alderson disk to see how a star passing through its axial hole and the disk's immense mass, which could support its own atmosphere, would affect weather systems.

The disk jockeys took turns playing rare vinyl records at the underground club.

Many archivists worry that disk rot could render decades of digital recordings unreadable.

To illustrate the theorem, she plotted the unit disk centered at the origin and shaded all points whose distance was less than or equal to one.

I found an old optical disk in the attic that still played recordings from my childhood.