Science Dictionary
photoperiod   (fō'tō-pîr'ē-əd)  Pronunciation Key 
The duration of an organism's daily exposure to light, considered especially with regard to the phenomena of photoperiodism.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
Previous Definition: photonics
Next Definition: photoperiodic
Words Near: photoperiod
More from
Synonyms and Antonyms for photoperiod
More from
Search for articles containing photoperiod
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