Quick meaning
Using unique physical characteristics — like your fingerprint, face, or iris — to verify your identity.
Think of it like this
Like a lock that only opens for your specific fingerprint, impossible to copy.
Where you may see this
You may see this in login screens, warning messages, banking apps, or scam-prevention advice.
Why it matters
Understanding this word helps you protect your money, personal information, and online accounts.
Say it simply
Biometrics means: Using unique physical characteristics — like your fingerprint, face, or iris — to verify your identity.