noun
a substance added to another substance, typically to improve or preserve it
adjective
constituting or relating to an addition, especially a chemical one
-
The additive used in this product is known to enhance its shelf life.
-
I heard they added some kind of additive to make the food taste better.
-
They put some additive in there to give it an extra kick.
-
His charisma was like an additive that made everyone drawn to him.