oxygenase
Rare technical term in biochemistry; the synonym オキシゲナーゼ is more common in modern Japanese scientific literature.
See also: オキシゲナーゼ
Oxygenase catalyzes reactions that incorporate molecular oxygen into a substrate.
Synonym; オキシゲナーゼ is the more common katakana loanword in modern Japanese biochemistry, while 酸素添加酵素 is a rare kanji-based term.
Compound of 酸素 (oxygen) + 添加 (addition) + 酵素 (enzyme), calqued from English 'oxygenase'.