| index | |
| 1. n. An alphabetical listing of items and their location. | |
| The index of a book lists words or expressions and the pages of the book upon which they are to be found. | |
| 2. n. The index finger; the forefinger. | |
| 3. n. A movable finger on a gauge, scale, etc. | |
| 4. n. (printing) A symbol resembling a pointing hand, used to direct particular attention to a note or paragraph. | |
| 5. n. That which points out; that which shows, indicates, manifests, or discloses. | |
| 6. n. A sign; an indication; a token. | |
| 7. n. (linguistics) A type of noun where the meaning of the form changes with respect to the context. E.g., 'Today's newspaper' is an indexical form since its referent will differ depending on the context. | |
| 8. n. (economics) A single number calculated from an array of prices or of quantities. | |
| 9. n. (science) A number representing a property or ratio, a coefficient. | |
| 10. n. (mathematics) A raised suffix indicating a power. | |
| 11. n. (computing, especially, programming, and databases) An integer or other key indicating the location of data e.g. within an array, vector, database table, associative array, or hash table. | |
| 12. n. (computing, databases) A data structure that improves the performance of operations on a table. | |
| 13. n. (obsolete) A prologue indicating what follows. | |
| 14. v. To arrange an index for something, especially a long text. | |
| 15. v. To inventory, to take stock. | |
| 16. v. (linguistics, transitive) To be indexical for (some situation or state of affairs); to indicate. | |
