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21 points
PHOTOEMISSIONS is validvalid
PHOTOEMISSION, [n]
PHOTOEMISSION, the release of electrons from a usually solid material (as a metal) by means of energy supplied by incidence of radiation and esp. light [n]
PHOTOEMISSION, [n]
PHOTOEMISSION, the release of electrons from a usually solid material (as a metal) by means of energy supplied by incidence of radiation and esp. light [n]