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