10 letters · 13 points in Scrabble
noun the contraction of two vowels into a diphthong
noun the separation of liquid from a gel that is caused by contraction (as in cheese making)
originFrom Ancient Greek συναίρεσις (sunaíresis, “unification”), from συν- (sun-, “together”) + αἵρεσις (haíresis, “taking”), from αἱρέω (hairéō, “to take”).
Etymology from Wiktionary, CC BY-SA 3.0