self-duplicating

16 LETTERS · 4 SYLLABLES · STARTS WITH S

self-duplicating is a valid 16-letter word worth 24 points in Scrabble and 31 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

S1E1L1F4-0D2U1P3L1I1C3A1T1I1N1G2

1 + 1 + 1 + 4 + 0 + 2 + 1 + 3 + 1 + 1 + 3 + 1 + 1 + 1 + 1 + 2 =24 PTS

DOUBLE WORD → 48TRIPLE WORD → 72

MEANING

What does self-duplicating mean?