discontinuity layer

19 LETTERS · STARTS WITH D

discontinuity layer is a valid 19-letter word worth 27 points in Scrabble and 30 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

D2I1S1C3O1N1T1I1N1U1I1T1Y4L1A1Y4E1R1

2 + 1 + 1 + 3 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 4 + 0 + 1 + 1 + 4 + 1 + 1 =27 PTS

DOUBLE WORD → 54TRIPLE WORD → 81

MEANING

What does discontinuity layer mean?