packing fraction

16 LETTERS · STARTS WITH P

packing fraction is a valid 16-letter word worth 29 points in Scrabble and 35 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

P3A1C3K5I1N1G2F4R1A1C3T1I1O1N1

3 + 1 + 3 + 5 + 1 + 1 + 2 + 0 + 4 + 1 + 1 + 3 + 1 + 1 + 1 + 1 =29 PTS

DOUBLE WORD → 58TRIPLE WORD → 87

MEANING

What does packing fraction mean?