Translation guide
Hypoxia refers to a condition where the body or a region of the body is deprived of adequate oxygen supply. In Japanese, the most common term is 低酸素症, but related terms like 低酸素状態 and 酸欠 are also used depending on context.
To refer to hypoxia as a medical condition involving low oxygen in the body or tissues.
Standard medical term for hypoxia. Used in clinical and formal contexts.
患者は低酸素症と診断された。
The patient was diagnosed with hypoxia.
Literally 'low oxygen state'. A more descriptive phrase often used in medical explanations or when describing the condition rather than naming it.
低酸素状態が続くと臓器に障害が出る。
If the hypoxic state continues, organ damage may occur.
Short for 酸素欠乏 (oxygen deficiency). Commonly used in everyday speech and in contexts like high-altitude or diving-related hypoxia. Slightly less formal than 低酸素症.
高山では酸欠に注意が必要だ。
At high altitudes, you need to be careful about hypoxia.
To describe a situation where there is insufficient oxygen in the environment, such as in confined spaces or at high altitudes.
Means 'oxygen shortage' or 'lack of oxygen'. Used for both environmental and physiological contexts. More general than 低酸素症.
密室での酸素不足が事故の原因だった。
Oxygen deficiency in the sealed room was the cause of the accident.
As above, 酸欠 is very common for oxygen deficiency in everyday situations.
酸欠で気を失った。
I passed out from lack of oxygen.
To refer to hypoxia as a risk in activities like flying or diving.
The standard term is also used in specialized fields.
パイロットは低酸素症の訓練を受ける。
Pilots undergo hypoxia training.
Loanword from English, sometimes used in technical or sports contexts, but less common than Japanese terms.
低酸素症 is the formal medical term. 酸欠 is a common abbreviation for oxygen deficiency, used in both medical and everyday contexts. 酸素不足 is a more general phrase meaning 'lack of oxygen' and can refer to environmental or physiological situations.
ハイポキシアトレーニングは高地トレーニングの一種だ。
Hypoxia training is a type of altitude training.