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.
What is an 'Index'. An index is an indicator or measure of something, and in finance, it typically refers to a statistical measure of change in a securities market. In the case of financial markets, stock and bond market indices consist of an imaginary portfolio of securities representing a particular market or a portion of it.