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photoisomerization

[foh-toh-ahy-som-er-uh-zey-shuh n] /ˌfoʊ toʊ aɪˌsɒm ər əˈzeɪ ʃən/
noun, Chemistry
1.
isomerization induced by light.
Origin
1925-1930
1925-30; photo- + isomerization
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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