Medical Dictionary

photoperiod pho·to·pe·ri·od (fō'tō-pĭr'ē-əd)
The duration of an organism's daily exposure to light, considered especially with regard to the effect of such exposure on growth and development.

pho'to·pe'ri·od'ic (-ŏd'ĭk) or pho'to·pe'ri·od'i·cal (-ĭ-kəl) adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
Previous Definition: photoperiod
Next Definition: photoperiodical
Words Near: photoperiodic
More from
Synonyms and Antonyms for photoperiodic
More from
Search for articles containing photoperiodic
More from Translator Word FAQs presents 366 FAQs, incorporating some of the frequently asked questions from the past with newer queries.

Copyright © 2015, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature