Is the word addition a noun or verb?

"Addition" can be both a noun and a verb, depending on how it's used in a sentence.

Noun:

* "Addition" refers to the act of adding or the result of adding something.

* Example: "The addition of sugar made the cake sweeter."

Verb:

* "Add" means to put something together with something else.

* Example: "Please add some milk to the batter."

Let me know if you'd like more examples!