photosystem


pho·to·sys·tem

noun \ˈfō-tō-ˌsis-təm\

Definition of PHOTOSYSTEM

:  either of two photochemical reaction centers consisting chiefly of photosynthetic pigments complexed with protein and occurring in chloroplasts:
a :  one that absorbs light with a wavelength of about 700 nanometers —called also photosystem I
b :  one that absorbs light with a wavelength of about 680 nanometers —called also photosystem II

First Known Use of PHOTOSYSTEM

1964

Browse

Next Word in the Dictionary: phototactic
Previous Word in the Dictionary: photosynthetic ratio
All Words Near: photosystem

Seen & Heard

What made you want to look up photosystem? Please tell us where you read or heard it (including the quote, if possible).

Get Our Free Apps
Voice Search, Favorites,
Word of the Day, and More
Join Us on FB & Twitter
Get the Word of the Day and More