Meanings

clear memory function

media eraser

hidden-line elimination

hidden line and surface removal

hidden surface removal

extinction ratio

consumer

degausser

degausser

erase head (on a tape recorder)

clear all function

clear entry function

deferred delivery cancellation

reduced power state

low power consumption

unpost

annihilation (of particle and anti-particle)

stress reduction

local production for local consumption

lights-out trumpet