Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun emergency_alert_system

1 sense of emergency alert system

Sense 1
Emergency Alert System, EAS -- (a federal warning system that is activated by FEMA; enables the President to take over the United States airwaves to warn the whole country of major catastrophic events)
       INSTANCE OF=> alert, alerting -- (a warning serves to make you more alert to danger)