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