(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..

(anatomy) In the skull, the ratio of the vertical height to the transverse width of the orbit, which is taken as the standard, equal to 100.

In a skull, the ratio of the distance from the middle of the nasofrontal suture to the basion (taken equal to 100), to the distance from the basion to the middle of the front edge of the upper jaw.