preatomic
adjective
pre·atom·ic ˌprē-ə-ˈtä-mik 
: of or relating to a time before the use of the atomic bomb and atomic energy
Word History
First Known Use
1914, in the meaning defined above
- coarticulation
- Coase
- coassisted
- coassisting
- coassists
- coassumed
- coassumes
- coassuming
- coast
- coast artillery
- coast disease
- coast fever
- coast gorilla
- coast guard
- coast guard cutter
- coast lily
- coast live oak
- Coast Mountains
- coast pilot
- Coast Ranges
- coast rat
- coast redwood
- coast rhododendron
- coast-to-coast
- coastal