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