Englishfor English speakers
operator
Noun
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An operator is a person who operates something.
Jo is the operator of the tractor.
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An operator is a person who works on making connections for people over the telephone.
The operator was struggling to keep the line connected.
interface
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noun
(chemistry) a surface forming a common boundary between two things (two objects or liquids or chemical phases)
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noun
(computer science) computer circuit consisting of the hardware and associated circuitry that links one device with another (especially a computer and a hard disk drive or other peripherals)
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noun
the overlap where two theories or phenomena affect each other or have links with each other
the interface between chemistry and biology
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noun
(computer science) a program that controls a display for the user (usually on a computer monitor) and that allows the user to interact with the system