checkcode
nounUK /ˈtʃek.kəʊd/
US /ˈtʃek.koʊd/
A checkcode is a special set of letters or numbers used to make sure something is correct.
The website sent a checkcode to my phone so I could log in.
OTHER MEANINGS
2. A short code printed on a ticket or document that proves it is real.
The guard looked at the checkcode on our tickets before letting us in.
3. A code used in computing to find mistakes in data.
The program adds a checkcode to each file so errors can be spotted.
4. A code a student uses to check their exam results online.
I entered my checkcode to see my test score.