transposability

NOUN
15 LETTERS · 6 SYLLABLES · STARTS WITH T

transposability is a valid 15-letter word worth 22 points in Scrabble and 25 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
T1R1A1N1S1P3O1S1A1B3I1L1I1T1Y4
1 + 1 + 1 + 1 + 1 + 3 + 1 + 1 + 1 + 3 + 1 + 1 + 1 + 1 + 4 =22 PTS
DOUBLE WORD → 44TRIPLE WORD → 66
MEANING

What does transposability mean?