genshi waku seidattara
1. If it were a protoplanet; If it had been a protoplanet
Noun
#355578
1. If it were a protoplanet; If it had been a protoplanet
1. if it's the case
1. asteroid
1. planet
2. dark horse; surprise contender
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