qui·es·cent /-sṇt/
 (a.)靜止的,不活動的,寂靜的
 qui·es·cent /-ṇt/ 形容詞
 靜止的,休眠的
 quiescent
 靜( 止 )的; 不動的
 quiescent
 靜止 靜態
 Qui·es·cent a.
 1. Being in a state of repose; at rest; still; not moving; as, a quiescent body or fluid.
 2. Not ruffed with passion; unagitated; not in action; not excited; quiet; dormant; resting.
    In times of national security, the feeling of patriotism . . . is so quiescent that it seems hardly to exist.   --Prof. Wilson.
 3. Gram. Not sounded; silent; as, y is quiescent in “day” and “say.”
 Qui·es·cent, n. Gram. A silent letter.
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 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: causing no symptoms; "a quiescent tumor"