1. 
   biometric
   Identification of a person by a physical or behavioural characteristic (such as the way they sign their name, their fingerprint or the marks on the iris of their eye) as distinct from a PIN (personal id number). Part of an authentication process.
   Found op http://www.encyclo.co.uk/visitor-contributions.php
   
   
2. 
   biometric
   Access control which uses a part of the body, like the iris.
   Found op http://www.encyclo.co.uk/visitor-contributions.php
   
   

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