Dictionary

phytochrome

noun phy·to·chrome \ˈfī-tə-ˌkrōm\

Definition of PHYTOCHROME

:  any of a group of proteins bound to light-absorbing pigments in many plants that play a role in initiating floral and developmental processes when activated by red or near-infrared radiation

First Known Use of PHYTOCHROME

1960

Browse

Next Word in the Dictionary: phytocidalPrevious Word in the Dictionary: phytochloreAll Words Near: phytochrome
April 25, 2015
lissome Hear it
nimble or easily flexed
Take a 3-minute break and test your skills!
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears