index fossil

NOUN /ɪndɛks_'fɑsəl/

12 LETTERS · STARTS WITH I

index fossil is a valid 12-letter word worth 22 points in Scrabble and 24 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

I1N1D2E1X8F4O1S1S1I1L1

1 + 1 + 2 + 1 + 8 + 0 + 4 + 1 + 1 + 1 + 1 + 1 =22 PTS

DOUBLE WORD → 44TRIPLE WORD → 66

MEANING

What does index fossil mean?

NOUN · 1 SENSE

A fossil known to have lived in a particular geologic age that can be used to date the rock layer in which it is found.

SYNONYMS

BROADER