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