12 letters · 15 points in Scrabble
noun the act of removing from association
noun a state in which some integrated part of a person's life becomes separated from the rest of the personality and functions independently
noun (chemistry) the temporary or reversible process in which a molecule or ion is broken down into smaller molecules or ions
originBorrowed from French dissociation, from Latin dissociātiō(n).
Etymology from Wiktionary, CC BY-SA 3.0