ALL meanings of archaean
Ar·chae·an
A a - noun archaean any member of the Archaea, a domain of prokaryotic microorganisms, distinguished from bacteria on molecular phylogenetic grounds and often found in hostile environments, such as volcanic vents and hot springs 3
- adjective archaean of or relating to the highly metamorphosed rocks formed in the early Precambrian era 3
- noun archaean the earlier of two divisions of the Precambrian era, during which the earliest forms of life are assumed to have appeared 3
- abbreviation ARCHAEAN Archean 3
- noun archaean any archaebacterium 3
- adjective archaean noting or pertaining to rocks of the Archeozoic portion of the Precambrian Era. 1
- noun archaean (biology) Any organism of the domain Archaea. 0