Is the word while a preposition?

Answer 1

Yes, the word while is used as a preposition. The preposition while is used to represent the length of time an action has been happening, and when speaking about two actions happening at the same time. For example:

My mother doesn't allow electronic devices while we're eating dinner.

While I peel the potatoes, you can dice the vegetables.

The word while is also a verb, a noun and a conjunction.

Answer 2

No, the word "while" is not a preposition. It is typically used as a conjunction to indicate a period of time or contrast between two events or actions.