hyperfine structure

19 LETTERS · STARTS WITH H

hyperfine structure is a valid 19-letter word worth 31 points in Scrabble and 34 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
H4Y4P3E1R1F4I1N1E1S1T1R1U1C3T1U1R1E1
4 + 4 + 3 + 1 + 1 + 4 + 1 + 1 + 1 + 0 + 1 + 1 + 1 + 1 + 3 + 1 + 1 + 1 + 1 =31 PTS
DOUBLE WORD → 62TRIPLE WORD → 93
MEANING

What does hyperfine structure mean?

1