6 letters · 9 points in Scrabble
noun the bivalent radical UO2 which forms salts with acids
originEtymology tree Ancient Greek οὐρᾰνός (ourănós) Ancient Greek Οὐρᾰνός (Ourănós)der. Latin Ūranusbor. English Uranus Proto-Indo-European *-om Proto-Italic *-om Latin -umder. English -ium English uranium Proto-Indo-European *swel-der.? Ancient Greek ῡ̔́λη (hū́lē)der. Frenchder. English -yl English uranyl From uranium + -yl.
Etymology from Wiktionary, CC BY-SA 3.0