Last Updated
：2026/01/04
じゅうすいそ
Kanji
重水素
Noun
Japanese Meaning
水素原子の同位体の一つで、原子核が陽子1個と中性子1個から成るもの。普通の水素（陽子1個のみ）より質量が大きいため「重水素」と呼ばれ、記号Dまたは²Hで表される。重水や核融合研究などに用いられる。
Easy Japanese Meaning
すいそのなかまで、ふつうのすいそよりおもいものです。
Chinese (Simplified) Meaning
氘 / 重氢（氢的同位素）
Chinese (Traditional) Meaning
氘 / 重氫 / 含一個中子的氫同位素
Korean Meaning
중수소 / 듀테리움 / 수소의 동위원소로, 원자핵에 중성자 1개를 가진 것
Vietnamese Meaning
đơteri / hydro nặng / đồng vị 2H của hydro
Tagalog Meaning
deuteryum / mabigat na hidroheno / isotopo ng hidroheno na may isang neutron
Sense（1）
重水素: heavy hydrogen
（ romanization ）
Quizzes for review
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じゅうすいそ
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Heavy hydrogen is one of the isotopes of hydrogen.
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じゅうすいそは、水素の同位体の一つです。
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