upper carboniferous

NOUN
19 LETTERS · STARTS WITH U

upper carboniferous is a valid 19-letter word worth 29 points in Scrabble and 36 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
U1P3P3E1R1C3A1R1B3O1N1I1F4E1R1O1U1S1
1 + 3 + 3 + 1 + 1 + 0 + 3 + 1 + 1 + 3 + 1 + 1 + 1 + 4 + 1 + 1 + 1 + 1 + 1 =29 PTS
DOUBLE WORD → 58TRIPLE WORD → 87
MEANING

What does upper carboniferous mean?

NOUN · 1 SENSE
1

From 310 million to 280 million years ago; warm climate; swampy land.