index number

noun

Definition of index number 

: a number used to indicate change in magnitude (as of cost or price) as compared with the magnitude at some specified time usually taken as 100

Examples of index number in a Sentence

Recent Examples on the Web

Investors were awaiting Chinese manufacturing and nonmanufacturing purchasing managers index numbers, due out Wednesday, for clues on the health of the world’s second-largest economy. David Hodari, WSJ, "Gold Slips as Broader Markets Calm," 30 Oct. 2018 Investors may use Chinese purchasing managers index numbers due out Friday to inform their next moves, strategists at ING said in a note. Benjamin Parkin, WSJ, "Copper Pressured by Dollar’s Climb," 29 Aug. 2018 His department uses the national air quality index numbers on its smoke blog because the U.S. Forest Service, and other federal agencies contribute to the blog. Christine Clarridge, The Seattle Times, "Seattle air quality readings vary. Here’s how to interpret them.," 21 Aug. 2018 The crime index numbers from the FBI and DPS aggregate reported crimes from Arizona law enforcement agencies. Kelcie T Grega, azcentral, "Fact Check: Did SB 1070 reduce crime in Arizona?," 20 Apr. 2016 The index numbers are based on the close of trading in New York Wednesday. Brendan Coffey, Bloomberg.com, "Bill Gates's Philanthropy Could Lose Him His Spot as the World's Richest," 12 Oct. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'index number.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of index number

1875, in the meaning defined above

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Last Updated

9 Dec 2018

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The first known use of index number was in 1875

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