Translation guide
Deuterium is a stable isotope of hydrogen. In Japanese, it is primarily referred to by its scientific name, with a few variations in writing and context.
The standard term for deuterium in scientific and technical contexts.
The most common and standard Japanese term for deuterium, used in chemistry and physics. Literally 'heavy hydrogen'.
重水素は水素の安定同位体です。
Deuterium is a stable isotope of hydrogen.
Katakana rendering of the English word, used in some scientific contexts or when emphasizing the foreign origin.
An alternative katakana spelling, less common than デューテリウム.
The chemical symbol for deuterium, used in formulas and equations.
The chemical symbol D is used internationally and understood in Japanese scientific writing.
D₂Oは重水と呼ばれます。
D₂O is called heavy water.
The isotopic notation for deuterium, also used in Japanese scientific contexts.
デューテリウムは核融合の燃料として研究されています。
Deuterium is being researched as a fuel for nuclear fusion.
ジュウテリウム is a rarely used notation.
²Hの原子核は重陽子と呼ばれます。
The nucleus of ²H is called a deuteron.