A compound consisting of metal and oxygen that serves as a catalyst.

धातु ऑक्साइड उत्प्रेरक

English Usage: The metal oxide catalyst was essential for speeding up the reaction.

Hindi Usage: धातु ऑक्साइड उत्प्रेरक प्रतिक्रिया को तेज करने के लिए आवश्यक था।