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sigint

or SIGINT

[sig-int]
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noun
  1. the gathering of military or other intelligence by interception of electronic signals and consisting of comint and elint.
Compare humint.

Origin of sigint

1965–70; sig(nal) int(elligence)
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018