consumer price index: Meaning and Definition of

consum'er price' in"dex

Pronunciation: [key]
  1. an index of the changes in the cost of goods and services to a typical consumer, based on the costs of the same goods and services at a base period. Abbr.: CPI&hasp; Also called
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.