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