dynamicverificationcode
nounUK /daɪˈnæmɪk ˌverɪfɪˈkeɪʃən kəʊd/
US /daɪˈnæmɪk ˌverɪfɪˈkeɪʃən koʊd/
A pattern of letters or numbers that changes every time and is used to check that you are really you.
The app sent me a dynamic verification code that I had to type in within one minute.
OTHER MEANINGS
2. A code shown on a screen that updates automatically to prove a message is from a real person.
The website displayed a dynamic verification code so bots could not sign up.
3. A short-lived number sent to your phone to confirm a payment or login.
I received a dynamic verification code by text before the bank let me transfer money.
4. A changing code used to unlock a device or account for a short time.
The smart lock needs a dynamic verification code that refreshes every thirty seconds.