What's the plural form of tetracene? Here's the word you're looking for.
Answer
The noun tetracene can be countable or uncountable.
In more general, commonly used, contexts, the plural form will also be tetracene.
However, in more specific contexts, the plural form can also be tetracenes e.g. in reference to various types of tetracenes
or a collection of tetracenes.
Examples
In order to improve electrical conductivity, tetracene is replaced with carbon black.
