x 8 e 1 n 1 o 1 n 1
5 letters · 12 points in Scrabble
Meaning
noun a colorless odorless inert gaseous element occurring in the earth's atmosphere in trace amounts
originFrom Ancient Greek ξένος (xénos, “foreign, strange”) + -on, used for all noble gases.
Etymology from Wiktionary, CC BY-SA 3.0