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photocatalysis

American  
[foh-toh-kuh-tal-i-sis] / ˌfoʊ toʊ kəˈtæl ɪ sɪs /

noun

Chemistry.
  • photocatalyses
    plural
  1. the acceleration or retardation of the reaction rate in chemical reactions by light.


photocatalysis British  
/ ˌfəʊtəʊkəˈtælɪsɪs /

noun

  1. the alteration of the rate of a chemical reaction by light or other electromagnetic radiation

"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

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Etymology

Origin of photocatalysis

First recorded in 1910–15; photo- + catalysis

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Both advances rely on photocatalysis and strengthen CiQUS's position as a leader in developing innovative strategies to use abundant raw materials more effectively.

From Science Daily Feb. 27, 2026

To this purpose, they employed both a chemical reaction called ring-closing metathesis and photocatalysis -- a process in which chemical reactions are promoted by light energy.

From Science Daily May 2, 2024

The Halas group has been developing aluminum nanoparticles for plasmonic photocatalysis reactions such as decomposition of dangerous chemical warfare agents and efficient production of commodity chemicals.

From Science Daily Mar. 5, 2024

Noël says the system has impressed him with its ingenuity: 'I have been working on photocatalysis for more than a decade now.

From Science Daily Jan. 25, 2024

As the microrobots adhere to plastic, photocatalysis also produces charged molecules.

From Scientific American Sep. 14, 2021

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