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Dictionary Language resources

spasm

Pronunciation: /ˈspaz(ə)m/

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Definition of spasm

noun

a sudden involuntary muscular contraction or convulsive movement: shifting heavy loads without help brought on muscular back spasms
a sudden and brief spell of an activity or sensation:a spasm of coughing woke him
[mass noun] prolonged involuntary muscle contraction:the airways in the lungs go into spasm