Share this entry
phytochrome Syllabification: phy·to·chrome
Pronunciation: /ˈfīdōˌkrōm/

Definition of phytochrome in English:


A blue-green pigment found in many plants, in which it regulates various developmental processes.
Example sentences
  • This macroscopically observable reaction was identified to be coupled with light-induced processes of the photoreceptor phytochrome.
  • This is the opposite of the situation in higher plants, where red light activates and far-red light inactivates phytochrome.
  • The plant photoreceptor phytochrome exhibits remarkable structural and functional variabilities in the plant cell.


Late 19th century: from phyto- 'relating to plants' + Greek khrōma 'color'.

Definition of phytochrome in:
Share this entry

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Subscribe to remove adverts and access premium resources