9 letters · 14 points in Scrabble
adjective harsh or corrosive in tone
adjective of a substance, especially a strong acid; capable of destroying or eating away by chemical action
originFrom vitriol + -ic; or from French vitriolique (cognate with Italian vetriolico, Portuguese vitriolico, Spanish vitriólico).
Etymology from Wiktionary, CC BY-SA 3.0