What's the plural form of oligonucleotidase? Here's the word you're looking for.
Answer
The noun oligonucleotidase can be countable or uncountable.
In more general, commonly used, contexts, the plural form will also be oligonucleotidase.
However, in more specific contexts, the plural form can also be oligonucleotidases e.g. in reference to various types of oligonucleotidases
or a collection of oligonucleotidases.