interstitial tissue

NOUN
19 LETTERS · STARTS WITH I

interstitial tissue is a valid 19-letter word worth 18 points in Scrabble and 21 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
I1N1T1E1R1S1T1I1T1I1A1L1T1I1S1S1U1E1
1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 0 + 1 + 1 + 1 + 1 + 1 + 1 =18 PTS
DOUBLE WORD → 36TRIPLE WORD → 54
MEANING

What does interstitial tissue mean?

NOUN · 1 SENSE
1

Tissue between the cells of a structure or part in plant or animal.