face-recognition
UK[feɪs ˌrekəɡˈnɪʃn]US[feɪs ˌrekəɡˈnɪʃn]
n
The technology or process of identifying or verifying a person's identity by analyzing their facial features from a digital image or video source.
n
The ability of a person or a computer system to recognize and distinguish individual faces.
Morpheme Breakdown
face
recognition
face
front part of the head
recognition
act of identifying
Etymology
The compound term 'face-recognition' is a modern technological coinage built from two established English words. 'Face' originates from the Latin 'facies', which referred broadly to form or appearance, a meaning that narrowed in Old French and Middle English to specify the front of the head. 'Recognition' comes from the Latin 'recognoscere', meaning 'to know again' or 'to recall to mind', combining 're-' (back, again) with 'cognoscere' (to get to know). The logic of the compound is transparently literal: it describes the process ('recognition') applied to a specific object ('face'). While the individual components have ancient roots, their combination into a single hyphenated term reflects a late 20th-century conceptual need to name a specific biometric technology, where the abstract idea of 'knowing again' is precisely applied to the digital analysis of facial geometry.
Analysis
Structure: face (front part of the head) + recognition (act of identifying)
face: From Latin 'facies' (form, appearance, face). Functional role: The core noun denoting the object of the action.
recognition: From Latin 'recognitio' (a reviewing, investigation), from 're-' (again) + 'cognoscere' (to know). Functional role: The noun-forming suffix indicating the process or result of the action.
Examples
The smartphone uses advanced face-recognition to unlock securely.
Airport security is increasingly incorporating face-recognition systems.
Some social media platforms employ face-recognition to automatically tag people in photos.