Definitions for EPROMˈiˌprɒm
Random House Webster's College Dictionary
a memory chip that can be reprogrammed any number of times, as to correct bugs, by first clearing its contents with ultraviolet light: used frequently in the manufacture of personal computers and peripherals.
Origin of EPROM:
1975–80; e(rasable) p(rogrammable) r(ead-)o(nly) m(emory)
erasable programmable read-only memory, EPROM(noun)
(computer science) a read-only memory chip that can be erased by ultraviolet light and programmed again with new data