photosystem

play
noun pho·to·sys·tem \ˈfō-tō-ˌsi-stəm\

Definition of photosystem

  1. :  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 Ib :  one that absorbs light with a wavelength of about 680 nanometers —called also photosystem II

First Known Use of photosystem

1961


Seen and Heard

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

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

clear to the understanding

Get Word of the Day daily email!

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!