Definitions

1. noun

A substance or agent that adds to or combines with another substance to produce a new compound or effect.

“The food contained several artificial additives that were detrimental to human health.”

2. adjective

Relating to or characterized by addition or being added.

“The additive noise in the recording made it difficult to understand the dialogue.”

3. verb

To add (something) to something else.

“The recipe instructs you to add a pinch of salt to the soup.”