8 letters · 16 points in Scrabble
noun a substance that oxidizes another substance
originEtymology tree English oxidise Proto-Indo-European *-yósder. Proto-Italic *-āzijos Latin -āriusnom. Latin -āriusbor. Proto-Germanic *-ārijaz Proto-West Germanic *-ārī Old English -ere Middle English -ere English -er English oxidiser From oxidise + -er.
Etymology from Wiktionary, CC BY-SA 3.0