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