- a suffix used in the names of enzymes: oxidase.
suffix forming nouns
- indicating an enzymeoxidase
word-forming element used in naming enzymes, from ending of.
- A suffix used to form the names of enzymes. It is often added to the name of the compound that the enzyme breaks down, as in lactase, which breaks down lactose. It is also added to a word describing the enzyme’s activity, as in transferase, which catalyzes the transfer of a chemical group from one molecule to another, or reductase, which catalyzes the reduction of an organic compound.