13 letters · 20 points in Scrabble
noun an electron that is emitted from an atom or molecule by an incident photon
originEtymology tree Proto-Indo-European *bʰeh₂- Proto-Indo-European *bʰéh₂os Proto-Hellenic *pʰáwos Ancient Greek φᾰ́ος (phắos) Ancient Greek φῶς (phôs) Ancient Greek φωτο- (phōto-)der. English photo- New Latin ēlectricusbor. English electric Proto-Indo-European *h₁ey- Proto-Indo-European *h₁éyti Proto-Hellenic *éimi Ancient Greek εἶμι (eîmi)der. English ion English electron English photoelectron From…
Etymology from Wiktionary, CC BY-SA 3.0