(databases) a type of database index that contains a series of sorted pointers pointing to the physical data rows, which are organized either in a heap or in the sort order specified by a clustered index, on the disk

A piece of heavy paper stock used to record information to be stored in an index.

(economics) A statistical estimate of the level of prices of some class of goods or services.

(information science) A term that captures the essence of the topic of a document, used as keyword to retrieve documents in an information system, for instance a catalog or a search engine.

the forefinger

Any ancient remains of a plant or animal that lived during a specific geological period and that can be used to date the containing rocks.

(physics) The ratio of the speed of light in air or vacuum to that in another medium.

(information science) An indexing algorithm which indexes a document based on the keywords being searched for.

(finance) A Japanese stock market index; normally refers to the Nikkei 225, which is calculated by aggregating the share prices of 225 large Japanese companies quoted on the Tokyo Stock Exchange, and thus reflects the performance of major Japanese businesses.

(economics) Ellipsis of ease of doing business index..