What's the plural form of agglutinability? Here's the word you're looking for.
Answer
The noun agglutinability can be countable or uncountable.
In more general, commonly used, contexts, the plural form will also be agglutinability.
However, in more specific contexts, the plural form can also be agglutinabilities e.g. in reference to various types of agglutinabilities
or a collection of agglutinabilities.
Examples
Factors regulating changes of head-to-head agglutinability in boar spermatozoa during epididymal transit and capacitation in vitro.
