10 letters · 12 points in Scrabble
noun (of volcanos) pouring out fumes or lava (or a deposit so formed)
noun a reflex that expels gas noisily from the stomach through the mouth
originLearned borrowing from Latin ērūctātiōnem, accusative of ērūctātiō (“a belching forth, burp”), from ērūctāre (“to belch, burp”). Compare Middle English eructuacioun (“belching, burp”), borrowed from the same root.
Etymology from Wiktionary, CC BY-SA 3.0