photosystem

/ (ˈfəʊtəʊˌsɪstəm) /

noun

botany either of two pigment-containing systems, photosystem I or II, in which the light-dependent chemical reactions of photosynthesis occur in the chloroplasts of plants

QUIZZES

THIS WEEK’S WORD OF THE DAY QUIZ IS POSITIVELY FELICIFIC

Do you study our Words of the Day with great assiduity? See how many you remember from March 30 to April 5!

Question 1 of 7

transliterate

to remove or destroy all traces of.

to change (letters, words, etc.), into corresponding characters of another alphabet or language.

to explain in terms that can be more easily understood.

TAKE THE QUIZ TO FIND OUT

Words nearby photosystem

photostat, photostethoscope, photosynthate, photosynthesis, photosynthesize, photosystem, phototaxis, phototelegraphy, phototheodolite, phototherapeutics, phototherapy

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012