photosystem

/ (ˈfəʊtəʊˌsɪstəm) /

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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

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The rainy weather could not ________ my elated spirits on my graduation day.

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effect

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Words nearby photosystem

photostethoscope, photo story, 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