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Noun: index number
  1. A number or ratio (a value on a scale of measurement) derived from a series of observed facts; can reveal relative changes as a function of time
    - index, indicant, indicator

Derived forms: index numbers

Type of: fact

Encyclopedia: Index number

Nearest

indeterminacy principle
indeterminate
indeterminateness
indetermination
indeterministic
index
index case
index finger
index fossil
index fund
index number
index of refraction
index register
indexation
indexer
indexical
indexing
indexless
index-linked
India
India ink