index
— Noun
– English
~ a mathematical notation indicating the number of times a quantity is multiplied by itself
indexation
— Noun
– English
~ a system of economic regulation: wages and interest are tied to the cost-of-living index in order to reduce the effects of inflation
indexer
— Noun
– English
~ someone who provides an index
indexing
— Noun
– English
~ the act of classifying and providing an index in order to make items easier to retrieve