EPROM
Concise Oxford English Dictionary © 2008 Oxford University Press:
EPROM /ˈiːprɒm/
▶noun Electronics a read-only memory whose contents can be erased by ultraviolet light or other means and reprogrammed using a pulsed voltage.
– origin 1970s: acronym from erasable programmable ROM.
'EPROM' also found in these Oxford entries:

