archaeozoic   (TTS Sound)

The archaeozoic has 2 Senses.

• archean eon, archaeozoic, archeozoic eon, archeozoic, archean, archean aeon, archaeozoic aeon
• 太古代
• the time from 3,800 million years to 2,500 million years ago; earth's crust formed; unicellular organisms are earliest forms of life
• 38億年前から25億年前までの期間

• archeozoic, archaeozoic
• of or belonging to earlier of two divisions of the Precambrian era; "archeozoic life forms"
• 先カンブリア時代の2つの区分より以前の、または、先カンブリア時代の2つの区分より以前に属する