What part of speech is preheat?

"Preheat" can be considered two parts of speech depending on how it's used:

* Verb: When used as a command or describing an action, it's a verb.

* Example: "Preheat the oven to 350 degrees."

* Adjective: When used to describe something that has already been heated, it's an adjective.

* Example: "Use a preheated pan for best results."

Let me know if you have any other words you'd like to explore!