silurian period

NOUN
15 LETTERS · STARTS WITH S

silurian period is a valid 15-letter word worth 17 points in Scrabble and 21 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
S1I1L1U1R1I1A1N1P3E1R1I1O1D2
1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 0 + 3 + 1 + 1 + 1 + 1 + 2 =17 PTS
DOUBLE WORD → 34TRIPLE WORD → 51
MEANING

What does silurian period mean?

NOUN · 1 SENSE
1

From 425 million to 405 million years ago; first air-breathing animals.

SYNONYMS