The meaning of ADDITIVE is of, relating to, or characterized by addition. How to use additive in a sentence.

ADDITIVE definition: something that is added, as one substance to another, to alter or improve the general quality or to counteract undesirable properties. See examples of additive used in a sentence.

1. something that is added, as one substance to another, to alter or improve the quality or to counteract undesirable properties. 2. a. a substance added directly to food during processing, as for …

Additives keep certain foods fresh. This paint has an additive that keeps mold from growing on it.

Definitions of 'additive' An additive is a substance which is added in small amounts to foods or other things in order to improve them or to make them last longer.

Additive definition: A substance added in small amounts to something else to improve, strengthen, or otherwise alter it.

Feb 14, 2026 · Noun additive (plural additives) A substance added to another substance or product to produce specific properties in the combined substance.