interface

1 of 2

noun

in·​ter·​face ˈin-tər-ˌfās How to pronounce interface (audio)
1
a
: the place at which independent and often unrelated systems meet and act on or communicate with each other
the man-machine interface
b
: the means by which interaction or communication is achieved at an interface
2
: a surface forming a common boundary of two bodies, spaces, or phases
an oil-water interface
interfacial adjective

interface

2 of 2

verb

interfaced; interfacing; interfaces

transitive verb

1
: to connect by means of an interface
interface a machine with a computer
2
: to serve as an interface for

intransitive verb

1
: to become interfaced
2
: to interact or coordinate harmoniously

Examples of interface in a Sentence

Noun the interface between engineering and science The software has a user interface that's easy to operate. We installed an interface between the computer and the typesetting machine. Verb interface a machine with a computer the point at which the two machines interface
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Noun
The build-up of thick electrolyte interfaces reduces the battery’s cycle life and increases internal resistance, impeding performance, especially at higher charge rates (C-rates). Matthew Dawson, Forbes, 26 Nov. 2024 Everything that ditty represented reflects the new Lexus interface. Anthony D'alessandro, Deadline, 25 Nov. 2024
Verb
Customers interfaced with a human, who then used their skill in prompt engineering to instruct the AI to complete tasks behind the scenes. Alston Lin, Forbes, 24 Oct. 2024 Additionally, a capstone project features students interfacing with real-world governmental and non-governmental agencies operating in Latin America and internships that help students develop their professional networks. Foreign Affairs, 29 Sep. 2023 See all Example Sentences for interface 

Word History

First Known Use

Noun

1882, in the meaning defined at sense 2

Verb

1962, in the meaning defined at transitive sense 1

Time Traveler
The first known use of interface was in 1882

Dictionary Entries Near interface

Cite this Entry

“Interface.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/interface. Accessed 30 Nov. 2024.

Kids Definition

interface

1 of 2 noun
in·​ter·​face ˈint-ər-ˌfās How to pronounce interface (audio)
1
: a surface forming a common boundary of two bodies, spaces, or phases
an interface between oil and water
2
a
: the place at which independent systems meet and act on or communicate with each other
b
: the ways by which interaction or communication is brought about at an interface
interfacial adjective

interface

2 of 2 verb
1
: to connect or become connected through an interface
2
: to serve as an interface for

Medical Definition

interface

noun
in·​ter·​face ˈint-ər-ˌfās How to pronounce interface (audio)
: a surface forming a common boundary of two bodies, spaces, or phases
interfaces between various tissues such as skin, fatty tissue, and muscleH. P. Schwan
interface transitive verb
interfaced; interfacing
interfacial adjective
Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!