Definition of photodimerization in US English:

photodimerization

(also photodimerisation)

noun

Chemistry
  • Dimerization brought about by the action of light; formation of, or conversion into, a photodimer.

Origin

1930s; earliest use found in Transactions of the Faraday Society. From photo- + dimerization.

Pronunciation

photodimerization

/ˌfəʊtəʊˌdʌɪmərʌɪˈzeɪʃn/