noun
hypoxic state; oxygen-deficient state
Technical and medical term for a condition where oxygen supply is insufficient. Often used in contexts like high altitude, diving, or enclosed spaces.
高山では酸欠状態になりやすい。
At high altitudes, one is prone to a hypoxic state.
密閉された部屋で酸欠状態に陥った。
They fell into an oxygen-deficient state in the sealed room.
Compound of 酸欠 (さんけつ, 'oxygen deficiency') and 状態 (じょうたい, 'state'). 酸欠 is itself a compound of 酸 (さん, 'acid', here 'oxygen') and 欠 (けつ, 'lack').