An abbreviation for electromagnetic pulse, a burst of electromagnetic energy that can disrupt or damage electronic equipment. It can also stand for employee in some contexts.
As electromagnetic pulse, formed from 'electromagnetic' (Greek 'elektron' + 'magnet' from Greek 'magnētis') and 'pulse' from Latin 'pulsus' meaning 'a beating'. The military acronym emerged during Cold War nuclear testing in the 1960s.
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