quiescent (adj.)

  1. not active or activated; the quiescent level of centimeter wave-length solar radiation'

  2. marked by a state of tranquil repose; the quiescent melancholy of the town'

  3. being quiet or still or inactive

  4. (pathology) causing no symptoms; a quiescent tumor'

The dictionary is based on the WordNet Electronic Lexical Database.
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