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4 definitions found

From: DICT.TW English-Chinese Dictionary 英漢字典

 spasm /ˈspæzəm/

From: DICT.TW English-Chinese Medical Dictionary 英漢醫學字典

 spasm /ˈspæzəm/ 名詞

From: Webster's Revised Unabridged Dictionary (1913)

 Spasm n.
 1. Med. An involuntary and unnatural contraction of one or more muscles or muscular fibers.
 Note:Spasm are usually either clonic or tonic. In clonic spasm, the muscles or muscular fibers contract and relax alternately in very quick succession. In tonic spasm, the contraction is steady and uniform, and continues for a comparatively long time, as in tetanus.
 2. A sudden, violent, and temporary effort or emotion; as, a spasm of repentance.
 Cynic spasm Med. See under Cynic.
 Spasm of the chest. See Angina pectoris, under Angina.

From: WordNet (r) 2.0

      n 1: a painful and involuntary muscular contraction [syn: cramp,
            muscle spasm]
      2: (pathology) sudden constriction of a hollow organ (as a
         blood vessel)