validationcode
nounUK /ˌvælɪˈdeɪʃən kəʊd/
US /ˌvælɪˈdeɪʃən koʊd/
A special set of letters or numbers that proves something is real or correct.
Enter the validation code from your email to confirm your account.
OTHER MEANINGS
2. A short code used to check that data was entered correctly.
The form rejected my number because the validation code failed.
3. A code in a computer program that tests whether input is allowed.
The developer added a validation code to stop empty names from being saved.
4. A code printed on a ticket or coupon to prove it is genuine.
The website asked for the validation code on the back of the gift card.