transillumination

17 LETTERS · 6 SYLLABLES · STARTS WITH T

transillumination is a valid 17-letter word worth 19 points in Scrabble and 26 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

T1R1A1N1S1I1L1L1U1M3I1N1A1T1I1O1N1

1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 3 + 1 + 1 + 1 + 1 + 1 + 1 + 1 =19 PTS

DOUBLE WORD → 38TRIPLE WORD → 57

MEANING

What does transillumination mean?