peripheral
US /pəˈrɪf.ɚ.əl/
UK /pəˈrɪf.ɚ.əl/

1.
periférico, marginal
relating to or situated on the edge or periphery of something
:
•
The company's main focus is on software, with hardware being a peripheral concern.
O foco principal da empresa é em software, sendo o hardware uma preocupação periférica.
•
He suffered from peripheral nerve damage.
Ele sofreu danos nos nervos periféricos.
1.
periférico
a device that is connected to a computer but is not an essential part of it, such as a printer or scanner
:
•
I need to buy a new peripheral for my computer, maybe a better mouse.
Preciso comprar um novo periférico para o meu computador, talvez um mouse melhor.
•
Printers, scanners, and external hard drives are common computer peripherals.
Impressoras, scanners e discos rígidos externos são periféricos de computador comuns.