interface
UK[ˈɪntəfeɪs]US[ˈɪntərfeɪs]
n
A point where two systems, subjects, organizations, etc. meet and interact.
n
A device or program enabling a user to communicate with a computer, or for connecting two items of hardware or software.
v
To interact with another system or person.
Morpheme Breakdown
inter
face
inter
between
face
surface
Etymology
The word 'interface' is a modern English compound, formed in the mid-19th century by directly combining two Latin-derived elements. The prefix 'inter-' carries the ancient sense of "between," a concept traceable to Proto-Indo-European enter, also meaning "between." The element 'face' derives from Latin faciēs, originally meaning "form" or "appearance," which evolved in English to denote the front or principal surface of something. The literal logic of "a surface between" two entities perfectly captures the word's core function, whether describing a physical boundary, a point of interaction between disciplines, or the graphical layer connecting a human user and a machine.
Analysis
Structure: inter (between) + face (surface)
- inter: From Latin inter, meaning "between, among". A prefix indicating reciprocal or mutual action.
- face: From Latin faciēs, meaning "form, appearance, surface". A noun-forming element.
Examples
The software has a very intuitive user interface.
This role requires you to interface with clients from various departments.
The interface between the ocean and the atmosphere is critical for climate studies.