magnetic bubble memory

n. A memory that stores data in the form of bubbles, or circular areas, on a thin film of magnetic silicate. No longer used in most computers, magnetic bubble memory is similar to RAM but retains stored data even after power is shut off.

Thesaurus

Noun

magnetic bubble memory - a nonvolatile storage device that holds information in the form of bubbles on a thin film of magnetic silicate; no longer used in most computersnonvolatile storage, non-volatile storage - computer storage that is not lost when the power is turned off

magnetic bubble memory