Noun

Singular interface

Plural interfaces

interface (plural interfaces)

1. The point of interconnection between two entities.

   Public relations firms often serve as the interface between a company and the press.

2. (computing) The point of interconnection between two systems or subsystems.

   The data is sent over the air interface to the remote system.

3. (computing) The connection between a user and a machine.

   The options are selected via the user interface.

4. (chemistry, physics) A thin layer or boundary between two different substances or two phases of a single substance.

   For example, if water and oil are mixed together, they tend to separate, and at equilibrium they are in two different strata with an oil-water interface in between.

   The surface of a lake is a water-air interface.

5. (computing) In object-oriented programming, a piece of code defining a set of operations that other code must implement.

Derived terms

• user interface
• network interface

An interface is a point of interaction between two systems or work groups. In the manufacturing environment, the interaction and coordination between a number of work groups communicate plans and control production activity. This interaction can come in the forms of schedule, human interaction, computer systems, or any other medium of communication.

Technical journals

• Interfaces (operations research)
• Journal of the Royal Society Interface

Science and technology

• Biointerface
• Interface (chemistry), boundary surface
• Physical interface
• Social interface, a concept in sociology
• Interface (computer science)
• User interface

Other

• Interface, Inc., carpet manufacturer
• Interface (band), music group based on Long Island, NY