indefinite quantity

NOUN
19 LETTERS · STARTS WITH I

indefinite quantity is a valid 19-letter word worth 34 points in Scrabble and 37 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
I1N1D2E1F4I1N1I1T1E1Q10U1A1N1T1I1T1Y4
1 + 1 + 2 + 1 + 4 + 1 + 1 + 1 + 1 + 1 + 0 + 10 + 1 + 1 + 1 + 1 + 1 + 1 + 4 =34 PTS
DOUBLE WORD → 68TRIPLE WORD → 102
MEANING

What does indefinite quantity mean?