(entomology) Any of several pairs of discs within the body of a larva that become part of the outside during the pupal stage of holometabolism (complete metamorphosis).

plural of parking disc

A device placed inside a parked vehicle, indicating either the time of its arrival, or its legitimacy to park in a specified place

A phonograph record, made of a thin vinyl sheet with a moulded spiral stylus groove, produced between 1960 and 2000 and sometimes used as a means of including audio material with books and magazines.

(anatomy) The location where ganglion cell axons exit the eye to form the optic nerve.

plural of Flexi disc

plural of intervertebral disc

A modern data storage medium consisting of a flat disc read mechanically by illumination with laser light. Formats include the Laserdisc, compact disc, DVD, and Blu-ray.

(UK) Alternative spelling of disk drive

plural of disc drive