fast-breeder reactor

20 LETTERS · STARTS WITH F

fast-breeder reactor is a valid 20-letter word worth 26 points in Scrabble and 28 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

F4A1S1T1-0B3R1E1E1D2E1R1R1E1A1C3T1O1R1

4 + 1 + 1 + 1 + 0 + 3 + 1 + 1 + 1 + 2 + 1 + 1 + 0 + 1 + 1 + 1 + 3 + 1 + 1 + 1 =26 PTS

DOUBLE WORD → 52TRIPLE WORD → 78

MEANING

What does fast-breeder reactor mean?