The worldâs coral reefs will quickly dissolve if greenhouse gas emissions continue on current trends, a new simulation hasâ¦
noun, plural indexes, indices. [in-duh-seez] /ËÉªn dÉËsiz/ (Show IPA) 1. (in a nonfiction book, monograph, etc.) a more or less detailed alphabetical listing of names, places, and topics along with the numbers of the pages on which they are mentioned or discussed, usually included in or constituting the back matter.
Loading the player... An index is a statistical means of calculating a change in an economy or market. The index is typically a weighted average representative sample of the market. For instance, the consumer price index is a basket of goods and services that is used to represent what a typical consumer will purchase during a given time period. Changes in the price of this basket of goods lets economist know if prices increased or decreased during that time period.