|a relation between two sets in which one element of the second set is assigned to each element of the first set, the operator|
|an average, especially the arithmetic average|
|1.||characterized or produced by addition; cumulative|
|2.||any substance added to something to improve it, prevent deterioration, etc|
|3.||short for food additive|
|[C17: from Late Latin additīvus, from addere to |
additive ad·di·tive (ād'ĭ-tĭv)
A substance added in small amounts to something else to improve, strengthen, or otherwise alter it.
|additive (ād'ĭ-tĭv) Pronunciation Key
Noun A substance added in small amounts to something else to improve, strengthen, or otherwise alter it. Additives are used for a variety of reasons. They are added to food, for example, to enhance taste or color or to prevent spoilage. They are added to gasoline to reduce the emission of greenhouse gases, and to plastics to enhance molding capability.