PHOTOPERIODS
- PHOTOPERIOD [n]
- The period of time each day during which an organism receives illumination; day length
- PHOTOPERIOD, the period during every 24 hours when an organism is exposed to daylight [n]
SCRABBLE® is a registered trademark, and all intellectual property rights in and to the game of Scrabble® are owned in the U.S.A and Canada by Hasbro Inc., and throughout the rest of the world by J.W. Spear & Sons Limited of Maidenhead, Berkshire, England, which is a subsidiary of Mattel Inc. scrabble-solver.com is not affiliated with SCRABBLE®, Mattel, Spear, or Hasbro in any way.