12 letters · 19 points in Scrabble
noun the motion of charged particles in a colloid under the influence of an electric field; particles with a positive charge go to the cathode and negative to the anode
originEtymology tree Proto-Indo-European *ḱe? Proto-Indo-European *ḱóm Proto-Indo-European *ḱm̥-th₂der.? Proto-Hellenic *kətá Ancient Greek κᾰτᾰ́ (kătắ) Ancient Greek κᾰτᾰ- (kătă-) English cata- English -phoresis English cataphoresis From cata- + -phoresis.
Etymology from Wiktionary, CC BY-SA 3.0