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
3.a mathematical notation indicating the number of times a quantity is multiplied by itself
4.an alphabetical listing of names and topics along with page numbers where they are discussed
5.the finger next to the thumb index v.
1.list in an index
2.provide with an index
3.adjust through indexation
Idiom of the Day
turn in (someone) or turn (someone) in
to inform on someone, to report someone for doing something wrong or illegal
The department store turned in the shoplifter to the police.