archean eon

NOUN
11 LETTERS · STARTS WITH A

archean eon is a valid 11-letter word worth 15 points in Scrabble and 17 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
A1R1C3H4E1A1N1E1O1N1
1 + 1 + 3 + 4 + 1 + 1 + 1 + 0 + 1 + 1 + 1 =15 PTS
DOUBLE WORD → 30TRIPLE WORD → 45
MEANING

What does archean eon mean?

NOUN · 1 SENSE
1

The time from 3,800 million years to 2,500 million years ago; earth's crust formed; unicellular organisms are earliest forms of life.