PHOTOIONIZATION


Meaning of PHOTOIONIZATION in English

/foh'toh uy'euh neuh zay"sheuhn/ , n. Physics.

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.

[ 1910-15; PHOTO- + IONIZATION ]

Random House Webster's Unabridged English dictionary.      Полный английский словарь Вебстер - Random House .