semiphosphorescent

18 LETTERS · 6 SYLLABLES · STARTS WITH S

semiphosphorescent is a valid 18-letter word worth 32 points in Scrabble and 35 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

S1E1M3I1P3H4O1S1P3H4O1R1E1S1C3E1N1T1

1 + 1 + 3 + 1 + 3 + 4 + 1 + 1 + 3 + 4 + 1 + 1 + 1 + 1 + 3 + 1 + 1 + 1 =32 PTS

DOUBLE WORD → 64TRIPLE WORD → 96

MEANING

What does semiphosphorescent mean?