nethermost stratum

18 LETTERS · STARTS WITH N

nethermost stratum is a valid 18-letter word worth 24 points in Scrabble and 27 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

N1E1T1H4E1R1M3O1S1T1S1T1R1A1T1U1M3

1 + 1 + 1 + 4 + 1 + 1 + 3 + 1 + 1 + 1 + 0 + 1 + 1 + 1 + 1 + 1 + 1 + 3 =24 PTS

DOUBLE WORD → 48TRIPLE WORD → 72

MEANING

What does nethermost stratum mean?