fraunhofer lines

16 LETTERS · STARTS WITH F

fraunhofer lines is a valid 16-letter word worth 24 points in Scrabble and 27 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
F4R1A1U1N1H4O1F4E1R1L1I1N1E1S1
4 + 1 + 1 + 1 + 1 + 4 + 1 + 4 + 1 + 1 + 0 + 1 + 1 + 1 + 1 + 1 =24 PTS
DOUBLE WORD → 48TRIPLE WORD → 72
MEANING

What does fraunhofer lines mean?

1