matchcode
nounUK /ˈmætʃkəʊd/
US /ˈmætʃkoʊd/
A special code that helps a computer find and match the same thing in different lists.
The program uses a matchcode to link each customer's name with their address.
OTHER MEANINGS
2. A short code printed on a product or document that lets a scanner recognize it quickly.
The clerk scanned the matchcode on the package to pull up its details.
3. In data processing, a derived value built from several fields so records can be compared even when they are not exactly the same.
Names spelled slightly differently were still linked thanks to a fuzzy matchcode.
4. A search key used to retrieve a specific entry from a catalog or index.
She typed the matchcode into the library system and found the book at once.