transilluminating

17 LETTERS · 6 SYLLABLES · STARTS WITH T

transilluminating is a valid 17-letter word worth 20 points in Scrabble and 28 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

T1R1A1N1S1I1L1L1U1M3I1N1A1T1I1N1G2

1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 3 + 1 + 1 + 1 + 1 + 1 + 1 + 2 =20 PTS

DOUBLE WORD → 40TRIPLE WORD → 60

MEANING

What does transilluminating mean?