Archaeozoic
[ ahr-kee-uh-zoh-ik ]
/ ˌɑr ki əˈzoʊ ɪk /
adjective, noun Geology.
Definition for archaeozoic (2 of 2)
Archeozoic
or Ar·chae·o·zo·ic
[ ahr-kee-uh-zoh-ik ]
/ ˌɑr ki əˈzoʊ ɪk /
adjective
noting or pertaining to the earlier half of the Precambrian Era, from about 5 billion to 2.5 billion years ago, during which the earliest datable rocks were formed and from which the oldest known fossil forms, blue-green algae and bacteria, have been recovered.
noun
the Archeozoic division of geologic time or the rock systems formed then.
Example sentences from the Web for archaeozoic
The remainder of Finland is built up of the oldest known crystalline rocks belonging to the Archaeozoic or Algonkian period.
British Dictionary definitions for archaeozoic (1 of 2)
British Dictionary definitions for archaeozoic (2 of 2)
Scientific definitions for archaeozoic (1 of 2)
Archaeozoic
[ är′kē-ə-zō′ĭk ]
Another spelling of Archeozoic.
Scientific definitions for archaeozoic (2 of 2)
Archeozoic
See Archean.