indexlookup

noun
UK /ˈɪndɛksˌlʊkʌp/
US /ˈɪndɛksˌlʊkʌp/

A way to find something quickly by using a list that points to where it is.

The library computer does an indexlookup to find the book's shelf number.


OTHER MEANINGS

2. In computing, a fast way to get data from a table using a key.

The program uses an indexlookup to fetch the user's record instantly.

3. The act of checking an alphabetical list to locate a topic in a book.

An indexlookup at the back of the book led her to page 42.

4. A method of matching a value to its stored position in a list.

The spreadsheet performs an indexlookup to match names with scores.