nonrapid eye movement is a noun meaning "a recurring sleep state during which rapid eye movements do not occur and dreaming does not occur; accounts for about 75% of normal sleep time". It carries one recorded sense.
a recurring sleep state during which rapid eye movements do not occur and dreaming does not occur; accounts for about 75% of normal sleep time
Definitions, synonyms and semantic relations for nonrapid eye movement come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.