interdiffusion

14 LETTERS · 5 SYLLABLES · STARTS WITH I

interdiffusion is a valid 14-letter word worth 21 points in Scrabble and 24 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

I1N1T1E1R1D2I1F4F4U1S1I1O1N1

1 + 1 + 1 + 1 + 1 + 2 + 1 + 4 + 4 + 1 + 1 + 1 + 1 + 1 =21 PTS

DOUBLE WORD → 42TRIPLE WORD → 63

MEANING

What does interdiffusion mean?