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index number
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This shows grade level based on the word's complexity.
noun Statistics.
a quantity whose variation over a period of time measures the change in some phenomenon.
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Also called index.
Origin of index number
First recorded in 1870–75
Words nearby index number
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use index number in a sentence
British Dictionary definitions for index number
index number
noun
statistics a statistic indicating the relative change occurring in each successive period of time in the price, volume, or value of a commodity or in a general economic variable, such as the price level, national income, or gross output, with reference to a previous base period conventionally given the number 100
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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