index number

noun, Statistics.

a quantity whose variation over a period of time measures the change in some phenomenon.

Also called index.

Origin

1870-75

Examples from the web for index number

The lower the index number, the better the impact on glucose levels.
It is helpful if a filing date and index number is available when searching the records.
To pay court fees in order to obtain a court service, such as buying an index number to start a proceeding.
Discrete index number for each part not to exceeded seven characters.
In requesting a criminal file, it is helpful to have an index number and the year of filing.

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