otp
otp — noun
- otpsingular
- otpsplural
1. OTP (short for 'one-time password') is a secret code, usually a short string of
OTP (short for 'one-time password') is a secret code, usually a short string of digits and letters, that is sent to your phone or email and must be used quickly to confirm who you are when logging into a website or app.
After typing her password, Lisa received an OTP on her phone to finish logging in.
receive + OTP for login verification
The bank sends a six-digit OTP to your phone when you make a large transfer.
six-digit OTP / send + OTP to [device]
Rohan's OTP expired after sixty seconds, so he had to request a new one.
For online banking, you need both your password and an OTP to access your account.
- one-time password
the full, more formal form; used in official documentation
- verification code
more general term; can also refer to codes used for purposes other than login (e.g., resetting a password)
- passcode
broader term that includes any secret code used for access, not necessarily single-use
文法句型
receive an OTP
enter the OTP
OTP expires
用法筆記
Commonly capitalised as OTP. In formal writing the full form 'one-time password' is often used, but in everyday tech contexts the abbreviation OTP is standard. OTPs are a core part of two-factor authentication (2FA).