preatomic
/priːəˈtɑmɪk/
adjective
- Relating to the time before the development or use of atomic energy or atomic weapons.
- In the preatomic era, scientists had not yet discovered how to split the atom.
- The museum has a special exhibit on preatomic life, showing how people lived before nuclear power.
- Historians study preatomic warfare to understand how battles were fought without nuclear weapons.
Antonyms