photocatalysis

 [foh-toh-kuh-tal-i-sis]  

pho·to·ca·tal·y·sis

   [foh-toh-kuh-tal-i-sis]
noun, plural pho·to·ca·tal·y·ses  [-seez] . Chemistry.
the acceleration or retardation of the reaction rate in chemical reactions by light.
Photocatalytic reduction www.zena-membranes.cz/ polutant degradation by TiO2 and UV radiation. ecological and econ
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Origin:
1910–15; photo- + catalysis

Related forms
pho·to·cat·a·lyt·ic  [foh-toh-kat-l-it-ik] , adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Photocatalysis is always a great word to know.
So is butane. Does it mean:
the quantity of product formed by the interaction of two or more substances, generally expressed as a percentage
a colorless, flammable gas, C4H10, a saturated aliphatic existing in two isometric forms: used chiefly in the manufacture of rubber and as fuel
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Collins
World English Dictionary
photocatalysis (ˌfəʊtəʊkəˈtælɪsɪs)
 
—n , pl -ses
the alteration of the rate of a chemical reaction by light or other electromagnetic radiation

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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