photoionizing

/ˌfoʊtoʊˈaɪənaɪzɪŋ/
adjective
  1. Relating to or causing the process of removing an electron from an atom or molecule using light.
    • Scientists studied the photoionizing effects of ultraviolet light on the atmosphere.
    • The telescope detected a photoionizing nebula where new stars are born.
    • The photoionizing radiation from the star stripped electrons from the surrounding gas.
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