catalase

American  

[kat-l-eys, -eyz] / ˈkæt lˌeɪs, -ˌeɪz /

noun

Biochemistry.

1. an enzyme that decomposes hydrogen peroxide into oxygen and water.

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catalase British  

/ ˈkætəˌleɪs /

noun

1. an enzyme that catalyses the decomposition of hydrogen peroxide

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Other Word Forms

• catalatic adjective

Etymology

Origin of catalase

First recorded in 1900–05; catal(ysis) + -ase

Example Sentences

Because antioxidants like catalase are already widely used and well understood, the team believes this approach could move from laboratory research to clinical use faster than developing an entirely new drug.

From Science Daily • Jan. 20, 2026

The researchers suggest that future wound dressings infused with antioxidants such as catalase could help promote healing.

From Science Daily • Jan. 20, 2026

Dr Watabe found that the offspring of calorie-restricted mothers have more catalase than those of mothers who were fed without restriction.

From Economist • Sep. 30, 2010

That something seems to be related to an enzyme called catalase.

From Economist • Sep. 30, 2010

The rate of utilization was generally higher during the test period in the presence of catalase than without added catalase.

From Preservation of Bull Semen at Sub-Zero Temperatures by Friedman, M. E.