peripheral Meaning in the Cambridge English Dictionary
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Meaning of “peripheral” in the English Dictionary

"peripheral" in British English

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peripheraladjective

uk   /pəˈrɪf.ər.əl/  us   /-ˈrɪf.ɚ-/
Something that is peripheral is not as ​important as something ​else: The ​bookcontains a ​greatdeal of peripheral ​detail. happening at the ​edge of something: A ​figure came into my peripheral ​vision.

peripheralnoun [C]

uk   /pəˈrɪf.ər.əl/  us   /-ˈrɪf.ɚ-/ specialized
a ​piece of ​equipment, such as a ​printer, that can be ​connected to a ​computer
(Definition of peripheral from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"peripheral" in American English

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peripheraladjective

 us   /pəˈrɪf·ər·əl/
not ​central or of ​mainimportance: First of all, we had to ​find out who the ​thief was – getting the ​money back was a peripheral ​issue. Peripheral ​vision is what you can ​see to the ​sides of what you are ​looking at.

peripheralnoun [C]

 us   /pəˈrɪf·ər·əl/
a ​piece of ​equipment, such as a ​printer, that can be ​connected to a ​computer
(Definition of peripheral from the Cambridge Academic Content Dictionary © Cambridge University Press)

"peripheral" in Business English

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peripheraladjective

uk   us   /pəˈrɪfərəl/
used to describe something that is not as important as the ​main thing to which it is ​related, for ​example a company's less ​successfulactivities in relation to its most ​successful ones: Some of the more peripheral ​interests have been ​sold and the ​company now has a ​clearerfocus on ​certainmarkets.
IT used to describe a ​piece of ​equipment, such as a ​printer, that can be ​connected to a ​computer: The ​system is expected to ​boostsales of ​PCs as well as ​components, ​applications, and peripheral ​devices.

peripheralnoun [C]

uk   us   /pəˈrɪfərəl/
IT a ​piece of ​equipment, such as a ​printer, that can be ​connected to a ​computer: Whether something is a peripheral or ​part of a ​computer is not always ​clear.
(Definition of peripheral from the Cambridge Business English Dictionary © Cambridge University Press)
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