Definition of catalase in English:

catalase

Syllabification: cat·a·lase
Pronunciation: /ˈkatlˌās, -ˌāz
 
/

noun

Biochemistry
  • An enzyme that catalyzes the reduction of hydrogen peroxide.
    More example sentences
    • In addition, the human body produces its own antioxidants that take the form of enzymes, including catalase, glutathione peroxidase, and superoxide dismutase.
    • Many of these enzymes, such as catalase and glutathione peroxidase, are constitutively active and protect the lungs against everyday insults.
    • When the enzyme catalase is added to the hydrogen peroxide solution, the activation energy is lowered even further to 4 kJ / mol.

Origin

early 20th century: from catalysis + -ase.

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