genshidattara
1. If/when original; If/when primitive
★ Common
Noun
#138365
1. If/when original; If/when primitive
1. if it's the case
1. atomic reactor; nuclear reactor
1. atomic energy; nuclear power
1. nucleus; atomic nucleus
1. nuclear power plant; nuclear power generation
2. primary (e.g. primary immunodeficiency syndrome)
1. origin; beginning
2. primeval; primordial
1. atom
1. atomic bomb; A-bomb
1. capital; principal