from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A number relating prices of a group of commodities to their prices during an arbitrarily chosen base period.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A statistical estimate of the level of prices of some class of goods or services.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. an index that traces the relative changes in the price of an individual good (or a market basket of goods) over time


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