atmospheric layer

17 LETTERS · STARTS WITH A

atmospheric layer is a valid 17-letter word worth 28 points in Scrabble and 30 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

A1T1M3O1S1P3H4E1R1I1C3L1A1Y4E1R1

1 + 1 + 3 + 1 + 1 + 3 + 4 + 1 + 1 + 1 + 3 + 0 + 1 + 1 + 4 + 1 + 1 =28 PTS

DOUBLE WORD → 56TRIPLE WORD → 84

MEANING

What does atmospheric layer mean?