superfetation

NOUN /,supərfi'teɪʃən/
13 LETTERS · 5 SYLLABLES · STARTS WITH S

superfetation is a valid 13-letter word worth 18 points in Scrabble and 21 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
S1U1P3E1R1F4E1T1A1T1I1O1N1
1 + 1 + 3 + 1 + 1 + 4 + 1 + 1 + 1 + 1 + 1 + 1 + 1 =18 PTS
DOUBLE WORD → 36TRIPLE WORD → 54
MEANING

What does superfetation mean?

NOUN · 1 SENSE
1

Fertilization of a second ovum after a pregnancy has begun; results in two fetuses of different ages in the uterus at the same time.

“superfetation is normal in some animal species”