Translation guide
The process of splitting an atomic nucleus into smaller parts, releasing energy. In Japanese, this is a technical term with a standard translation, but context determines whether the scientific term or a more descriptive phrase is used.
The standard term for nuclear fission in physics and engineering contexts.
The standard technical term for nuclear fission. Used in scientific, academic, and formal contexts.
Nuclear fission reactions release a large amount of energy.
Electricity is generated using the nuclear fission of uranium-235.
A more explicit term meaning 'atomic nucleus fission'. Sometimes used for clarity, but 核分裂 is more common.
Research on atomic nucleus fission advanced greatly in the 20th century.
When explaining the concept to a non-specialist audience, a more descriptive phrase may be used.
A plain explanatory phrase meaning 'the splitting of an atomic nucleus'. Suitable for educational or conversational contexts.
Nuclear power generation uses the heat produced when atomic nuclei split.
In everyday conversation, Japanese speakers may not use the technical term 核分裂 unless the topic is specifically about nuclear physics or energy. Instead, they might describe the process in simpler terms.