p 3 h 4 o 1 t 1 o 1 d 2 i 1 s 1 s 1 o 1 c 3 i 1 a 1 t 1 i 1 o 1 n 1
17 letters · 25 points in Scrabble
Meaning
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- English dissociation English photodissociation From photo- + dissociation.
Etymology from Wiktionary, CC BY-SA 3.0