iota subscript

14 LETTERS · STARTS WITH I

iota subscript is a valid 14-letter word worth 19 points in Scrabble and 23 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

I1O1T1A1S1U1B3S1C3R1I1P3T1

1 + 1 + 1 + 1 + 0 + 1 + 1 + 3 + 1 + 3 + 1 + 1 + 3 + 1 =19 PTS

DOUBLE WORD → 38TRIPLE WORD → 57

MEANING

What does iota subscript mean?