photoionization
[ foh-toh-ahy-uh-nuh-zey-shuhn ]
nounPhysics.
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
1First recorded in 1910–15; photo- + ionization
Words Nearby photoionization
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
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