uranium series

14 LETTERS · STARTS WITH U

uranium series is a valid 14-letter word worth 15 points in Scrabble and 19 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

U1R1A1N1I1U1M3S1E1R1I1E1S1

1 + 1 + 1 + 1 + 1 + 1 + 3 + 0 + 1 + 1 + 1 + 1 + 1 + 1 =15 PTS

DOUBLE WORD → 30TRIPLE WORD → 45

MEANING

What does uranium series mean?