index

Noun

• the finger next to the thumb

• an alphabetical listing of names and topics along with page numbers where they are discussed

• a mathematical notation indicating the number of times a quantity is multiplied by itself

• 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

• a numerical scale used to compare variables with one another or with some reference number

Verb

• adjust through indexation
  • The government indexes wages and prices
    

• provide with an index
  • index the book
    

• list in an index

Related words

• Synonyms: 
  index finger , forefinger , exponent , power , index number , indicant , indicator