peripheral

C1 · Advanced Academic

adj. not as important as the main part of a situation or problem.

adj. of secondary or minor importance; marginal to the core issue.

“The cost of the project is a peripheral issue compared to its environmental impact.”

“While the historical context is interesting, it remains peripheral to the primary objective of this scientific study.”

C1 · Advanced Medicine Technical

adj. related to what you can see out of the corner of your eye.

adj. relating to the outer edges of the field of vision.

“I saw a sudden movement in my peripheral vision and turned my head.”

“The patient reported a gradual loss of peripheral vision, which prompted the specialist to test for early signs of glaucoma.”

B2 · Upper Intermediate Countable noun Computing

n. a piece of equipment, like a printer or keyboard, that you connect to a computer.

n. any auxiliary device that connects to and works with a computer to put information into it or get information out of it.

“The price of the computer does not include peripherals like a monitor or mouse.”

“Modern operating systems are designed to recognise and configure most peripherals automatically as soon as they are plugged into a USB port.”