Associations to the word «Archean»

Wiktionary

ARCHEAN, adjective. Alternative form of Archaean
ARCHEAN, proper noun. Alternative form of Archaean

Dictionary definition

ARCHEAN, noun. The time from 3,800 million years to 2,500 million years ago; earth's crust formed; unicellular organisms are earliest forms of life.
ARCHEAN, adjective. Of or relating to the earliest known rocks formed during the Precambrian Eon.

Wise words

It is only with the heart that one can see rightly; what is essential is invisible to the eye.
Antoine de Saint-Exupery