| The American Heritage® Dictionary of the English Language: Fourth Edition. 2000. |
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| spasm |
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| PRONUNCIATION: |  sp z  m |
| NOUN: | 1. A sudden, involuntary contraction of a muscle or group of muscles. 2. A sudden burst of energy, activity, or emotion. | | ETYMOLOGY: | Middle English spasme, from Old French, from Latin spasmus, from Greek spasmos, from sp n, to pull.
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| The American Heritage® Dictionary of the English Language, Fourth Edition. Copyright © 2000 by Houghton Mifflin Company. Published by the Houghton Mifflin Company. All rights reserved. |
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