atmospheric attenuation

23 LETTERS · STARTS WITH A

atmospheric attenuation is a valid 23-letter word worth 31 points in Scrabble and 36 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

A1T1M3O1S1P3H4E1R1I1C3A1T1T1E1N1U1A1T1I1O1N1

1 + 1 + 3 + 1 + 1 + 3 + 4 + 1 + 1 + 1 + 3 + 0 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 =31 PTS

DOUBLE WORD → 62TRIPLE WORD → 93

MEANING

What does atmospheric attenuation mean?