checkingcode
nounUK /ˈtʃɛkɪŋ kəʊd/
US /ˈtʃɛkɪŋ koʊd/
A checking code is a special set of letters or numbers used to make sure something is correct.
The website sent a checking code to my phone so I could log in.
OTHER MEANINGS
2. A short piece of computer code used to test whether a program works correctly.
The programmer wrote a checking code to see if the calculator gave the right answers.
3. A code used by a bank to confirm that a payment or account detail is valid.
The bank asked for the checking code printed on the card before approving the transfer.
4. A hidden marker in a barcode or product label that helps a scanner read it correctly.
The scanner beeped because the checking code at the end of the barcode matched.