How would you define propollent classification?

The term "propollent classification" is not a standard term in any scientific or technical field. It's possible that you might be referring to a different term, or perhaps a specific context where this term is used.

Could you please provide more context or clarify what you mean by "propollent classification"?

For example:

* What field are you referring to? (e.g., rocket science, chemistry, materials science)

* What is the specific application or context? (e.g., classification of rocket fuels, identification of materials used in propellants)

* Can you provide any additional information about the term itself? (e.g., where you encountered it, any related keywords)

With more information, I can help you understand the concept of "propollent classification" and provide a more accurate definition.