interface.
The point of interconnection or contact between entities.
Meaning & usage
The point of interconnection or contact between entities.
Public relations firms often serve as the interface between a company and the press.
A thin layer or boundary between different substances or two phases of a single substance.
If water and oil are mixed together, they tend to separate, and at equilibrium they are in different strata with an oil-water interface in between.
The surface of a lake is a water-air interface.
The point of interconnection between systems or subsystems.
The data is sent over the air interface to the remote system.
The connection between a user and a machine.
The options are selected via the user interface.
The connection between parts of software; also the public or published sections of an object or module.
This interface is implemented by several Java classes.
Traits are somewhat between an interface and a mixin, as an interface contains only method signatures, while a trait includes also the full method definitions; on the other side mixins include method definitions, but they can also carry state through attributes, while traits usually don't.
In object-oriented programming, a piece of code defining a set of operations that other code must implement.
The Audio and Video classes both implement the IPlayable interface.
In some languages, a block of code declaring the interface (point of interconnection) between a class and code that interacts with it.
The internal surface of a coiled protein (compare exoface).
Where this word comes from
Etymology tree Proto-Indo-European *h₁én Proto-Indo-European *-tér Proto-Indo-European *h₁n̥tér Proto-Italic *n̥ter Latin inter Latin inter-bor. English inter- Proto-Indo-European *dʰeh₁- Proto-Indo-European *dʰeh₁k- Proto-Indo-European *-yéti Proto-Indo-European *dʰh₁kyéti Proto-Italic *θakjō Proto-Italic *fakjō Latin faciō Proto-Italic *-jēs Latin -iēs Latin faciēs Late Latin facia Old French facebor. Middle English face English face English interface From inter- (“between”) + face (“shape, figure, form”).
To construct an interface for.
To connect through an interface.
To serve as an interface.
To meet for discussion.
Let's interface on Wednesday.
Where this word comes from
Etymology tree Proto-Indo-European *h₁én Proto-Indo-European *-tér Proto-Indo-European *h₁n̥tér Proto-Italic *n̥ter Latin inter Latin inter-bor. English inter- Proto-Indo-European *dʰeh₁- Proto-Indo-European *dʰeh₁k- Proto-Indo-European *-yéti Proto-Indo-European *dʰh₁kyéti Proto-Italic *θakjō Proto-Italic *fakjō Latin faciō Proto-Italic *-jēs Latin -iēs Latin faciēs Late Latin facia Old French facebor. Middle English face English face English interface From inter- (“between”) + face (“shape, figure, form”).
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.