Definition of photoionization in English:


Line breaks: photo|ion¦iza¦tion
Pronunciation: /ˌfəʊtəʊˌʌɪənʌɪˈzeɪʃ(ə)n
(also photoionisation)


[mass noun] Physics
  • Ionization produced in a medium by the action of electromagnetic radiation.
    More example sentences
    • Firstly, there is no charge separation or corresponding Coulomb attraction barrier, because the electron is ejected and hydrated in the bulk directly by photoionization.
    • Moreover, this spectrum is strikingly similar to the terminal spectrum measured after photoionization of the isolated PYP chromophore in solution.
    • T-rays have low photon energies and will not cause harmful photoionization in biological tissues.

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