13 letters · 22 points in Scrabble
verb remove hydrogen from
originEtymology tree Proto-Indo-European *de Proto-Indo-European *-h₁ Proto-Indo-European *déh₁ Proto-Italic *dē Latin dē Latin dē-der. English de- English hydrogenate English dehydrogenate From de- + hydrogenate.
Etymology from Wiktionary, CC BY-SA 3.0