What's the plural form of magnalium? Here's the word you're looking for.
Answer
The noun magnalium can be countable or uncountable.
In more general, commonly used, contexts, the plural form will also be magnalium.
However, in more specific contexts, the plural form can also be magnaliums e.g. in reference to various types of magnaliums
or a collection of magnaliums.
Examples
Magnalium takes the place of aluminum in the crankcase, because it is not only lighter but stronger and can be cast very thin.
The hanging man's face was partly covered by a hinged mask of magnalium, connected to the oven by gutta-percha hoses.