diurnal

diurnal definition - medical

di·ur·nal (dī-ûrˈnəl)

adjective
  1. Having a 24-hour period or cycle; daily.
  2. Occurring or active during the daytime rather than at night.

Related Forms:

  • di·urˈnal·ly adverb

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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