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

1 sense of esm

Sense 1
electronic warfare-support measures, ESM -- (electronic warfare undertaken under direct control of an operational commander to locate sources of radiated electromagnetic energy for the purpose of immediate threat recognition)
       => electronic warfare, EW -- (military action involving the use of electromagnetic energy to determine or exploit or reduce or prevent hostile use of the electromagnetic spectrum)