Additive category — In mathematics, specifically in category theory, an additive category is a preadditive category C such that any finitely many objects A 1,..., A n of C have a biproduct A 1 ⊕ ⋯ ⊕ A n in C. (Recall that a category C is preadditive if all its… … Wikipedia
additive — additively, adv. /ad i tiv/, n. 1. something that is added, as one substance to another, to alter or improve the general quality or to counteract undesirable properties: an additive that thins paint. 2. Nutrition. a. Also called food additive. a… … Universalium
Additive number theory — In mathematics, additive number theory is a branch of number theory that studies ways to express an integer as the sum of integers in a set. Two classical problem in this area of number theory are the Goldbach conjecture and Waring s problem.… … Wikipedia
additive — I. adjective Date: 1699 1. of, relating to, or characterized by addition < an additive process > 2. produced by addition 3. characterized by, being, or producing effects (as drug responses or gene products) that when the causative factors act… … New Collegiate Dictionary
additive — 1. A substance not naturally a part of a material ( e.g., food) but deliberately added to fulfill some specific purpose ( e.g., preservation). 2. Tending to add or be added; denoting addition. 3. In metrical studies ( e.g., genetics, epidemiology … Medical dictionary
additive — ad•di•tive [[t]ˈæd ɪ tɪv[/t]] n. 1) something that is added, as one substance to another, to alter or improve the quality or to counteract undesirable properties 2) nut a) a substance added directly to food during processing, as for preservation … From formal English to slang
food additive — additive (def. 4). * * * ▪ food processing Introduction any of various chemical substances added to foods to produce specific desirable effects. Additives such as salt, spices, and sulfites have been used since ancient times to preserve… … Universalium
Calculation of glass properties — [ refractive index. [ [http://glassproperties.com/refractive index/ Calculation of the Refractive Index of Glasses] ] ] The calculation of glass properties (glass modeling) is used to predict glass properties of interest or glass behavior under… … Wikipedia
Food additive — Food additives are substances added to food to preserve flavor or enhance its taste and appearance. Some additives have been used for centuries; for example, preserving food by pickling (with vinegar), salting, as with bacon, preserving sweets or … Wikipedia
Oil additive — Oil additives are chemical compounds that improve the lubricant performance of base oil (or oil base stock ). By utilizing the same base stock, many different oils can be manufactured, each with its distinctive properties. Additives comprise up… … Wikipedia