7 letters · 17 points in Scrabble
noun any of a class of unstable chemical compounds resulting from the addition of ozone to a double bond in an unsaturated compound
originEtymology tree English ozone Proto-Indo-European *dʰeh₁-der. Proto-Italic *-iðos Latin -idusder. English -ide English ozonide From ozone + -ide.
Etymology from Wiktionary, CC BY-SA 3.0