11 letters · 20 points in Scrabble
adjective relating to or located in the atmosphere
originEtymology tree English atmospher(e) Proto-Indo-European *-ikos Proto-Italic *-ikos Latin -icuslbor. Old French -iquebor. Middle English -ik English -ic English atmospheric From atmospher(e) + -ic.
Etymology from Wiktionary, CC BY-SA 3.0