The measurement and analysis of unique physical or behavioral characteristics, such as fingerprints or voice patterns, used for identification and authentication.
From Greek 'bios' (life) and 'metron' (measure), literally meaning 'life measurement.' The term was coined in the early 20th century, initially used in statistics and biology before expanding to security and identification technologies in the digital age.
Biometrics represents humanity's ancient desire to identify individuals uniquely - from cave paintings showing handprints to modern iris scanning. Ironically, while we think of biometrics as ultra-modern, fingerprinting was used in ancient Babylon and China for business transactions thousands of years ago.
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