Magneto-optic disk and Magnetic disk

Magnetic disk and magneto-optic disk are semantically related In some cases you can use "Magnetic disk" instead a noun phrase "Magneto-optic disk".

Magnetic disk noun - (computer science) a memory device consisting of a flat disk covered with a magnetic coating on which information is stored.

Magneto-optic disk and magnetic disk are semantically related in computer storage topic. You can use "Magneto-optic disk" instead a noun phrase "Magnetic disk".