👉 Rubigo is a term in mathematics that refers to a type of number, usually used for identifying or categorizing certain types of objects. In this context, "rubigo" could refer to a particular object or characteristic that is often associated with a specific category or set of items. For example, if you are looking at a list of different colors and shapes, the term "rubigo" might be used to describe one of those colors or shapes. Alternatively, it could also mean a number that