What part of speech is knowledge?

"Knowledge" can be several parts of speech depending on its use in a sentence:

* Noun: This is the most common usage. It refers to the information, facts, and skills acquired through experience or education.

* Example: "He has a vast knowledge of history."

* Adjective: This is less common but still valid. It means "informed" or "having knowledge."

* Example: "The knowledge student answered all the questions correctly."

Let me know if you'd like to see more examples!