- 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
- of or relating to the highly metamorphosed rocks formed in the early Precambrian era
- the earlier of two divisions of the Precambrian era, during which the earliest forms of life are assumed to have appeared
More Definitions
- SIMIONATO (noun) Definition, Meaning & Examples
- THE FEMALE OF THE SPECIES IS MORE DEADLY THAN THE MALE (noun) Definition, Meaning & Examples
- PATENT LEATHER (noun) Definition, Meaning & Examples
- LéVI-STRAUSS (noun) Definition, Meaning & Examples
- JANUS CLOTH (noun) Definition, Meaning & Examples
- BEAN TREE (noun) Definition, Meaning & Examples
