priscoan
/ˈprɪskoʊən/
adjective
- Belonging to the earliest period of geological history, especially the Precambrian era; very ancient or primitive.
- The landscape had a priscoan feel, as if time had stood still since the dawn of the planet.
- Scientists study priscoan fossils to understand the first forms of life on Earth.
- The priscoan rocks at the bottom of the canyon are over a billion years old.
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