sperm nucleus

13 LETTERS · STARTS WITH S

sperm nucleus is a valid 13-letter word worth 18 points in Scrabble and 25 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

S1P3E1R1M3N1U1C3L1E1U1S1

1 + 3 + 1 + 1 + 3 + 0 + 1 + 1 + 3 + 1 + 1 + 1 + 1 =18 PTS

DOUBLE WORD → 36TRIPLE WORD → 54

MEANING

What does sperm nucleus mean?