prebiological
/ˌpriˌbaɪəˈlɑdʒɪkəl/
adjective
- Existing or occurring before the emergence of life.
- The prebiological world was a soup of simple chemicals.
- Researchers simulate prebiological conditions in the lab to test theories of life's origin.
- Prebiological evolution refers to the chemical steps that led to the first living cells.