photoionization

[ foh-toh-ahy-uh-nuh-zey-shuhn ]

nounPhysics.
  1. the phenomenon in which the absorption of electromagnetic radiation by an atom in a gas induces the atom to emit a bound electron and thereby become ionized.

Origin of photoionization

1
First recorded in 1910–15; photo- + ionization

Words Nearby photoionization

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