Definition of

Archaean

  1. (adj, all) of or relating to the earliest known rocks formed during the Precambrian Eon

via WordNet, Princeton University

Synonyms of Archaean

archean

Origin of the word Archaean

  1. "of the earliest geological age," 1872, from Gk. arkhaios "ancient," from arkhe "beginning" (see archon). more

via Online Etymology Dictionary, ©2001 Douglas Harper

Note: If you're looking to improve your vocabulary right now, we highly recommend Ultimate Vocabulary Software.

Word of the Moment

Penal Code

the legal code governing crimes and their punishment