Noun | 1. | SIGINT - intelligence information gathered from communications intelligence or electronics intelligence or telemetry intelligence intelligence activity, intelligence operation, intelligence - the operation of gathering information about an enemy electronics intelligence, ELINT - intelligence derived from electromagnetic radiations from foreign sources (other than radioactive sources) COMINT, communications intelligence - technical and intelligence information derived from foreign communications by other than the intended recipients telemetry intelligence, TELINT - intelligence derived from the interception and processing and analysis of foreign telemetry |