pigeon (plural pigeons) One of several birds of the family Columbidae, which consists of more than 300 species. A person who is a target or victim of a confidence game. Synonyms (bird): columbid , columbiform (Columbiformes), culver, dove (person who is a target or victim of a confidence game): dupe, fish, mark, mug, sucker, rube, stiff
The NIIN is the invariable part of the NSN, and it remains associated with the item of supply concept throughout its life cycle. However, the NSC may change if there is a change to the classification structure. NSNs are usually assigned to items that are needed on a recurring basis.
Basic Description. Niacin is a blanket term for a family of compounds with vitamin B3 activity. The terms niacin and vitamin B3 can be used interchangeably, and whenever you find either term on our website, we are referring to the same group of compounds. Basic types of vitamin B3 include nicotinamide, nicotinic acid, and several active enzymatic forms, each of which can be obtained from food.