What part of speech is gold?

"Gold" can be a few different parts of speech depending on its context:

* Noun: When referring to the precious metal itself (e.g., "The ring is made of gold.")

* Adjective: When describing something as being made of gold (e.g., "She wore a gold necklace.")

Let me know if you have a specific sentence in mind and I can help you determine the part of speech!