genshidōbutsunara
1. If primitive animals; When primitive animals
Noun
#322914
1. If primitive animals; When primitive animals
1. zoo; zoological gardens
1. animal
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