index (
http://definr.com/index)
n 1: a numerical scale used to compare variables with one another
or with some reference number
2: 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 [syn:
index number,
indicant,
indicator]
3: a mathematical notation indicating the number of times a
quantity is multiplied by itself [syn:
exponent,
power]
4: an alphabetical listing of names and topics along with page
numbers where they are discussed
5: the finger next to the thumb [syn:
index finger,
forefinger]
v 1: list in an index
2: provide with an index, as of a book
3: adjust through indexation; "The government indexes wages and
prices"