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Dictionary

slow'-wave' sleep"

Pronunciation: (slō'wāv'), [key] Physiol.
a recurrent period of deep sleep, typically totaling five or six hours a night, distinguished by the presence of slow brain waves and by very little dreaming. Also called S sleep. Cf. REM sleep.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

slow virus

slow-witted

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