noun
oxygen debt
Physiological term for the amount of oxygen required to oxidize lactic acid built up during anaerobic exercise. Used in sports science and medicine.
激しい運動の後、酸素負債を返済するために呼吸が速くなる。
After intense exercise, breathing quickens to repay the oxygen debt.
Compound of 酸素 (oxygen) and 負債 (debt), a calque of English 'oxygen debt'.