peripheral — English Dictionary

Adjective

1. On the periphery or boundary.

2. Beside the point.

3. Unimportant.

4. Auxiliary.

5. Related to or located in the peripheral nervous system.

   Examples

   We have isolated the gene encoding the Schwann cell glycoprotein P0, the major structural protein of the peripheral myelin sheath.

Noun

1. A peripheral device.

   Examples

   Check your peripheral's manual for the information you'll need.

   More examples (1)

   Check your peripheral's owners' manual to see at what speed your peripheral transmits or receives information, and then record this on the DIP Switch Information chart in the column at the left.

   Turn on the Mac, and check your peripheral. Since you've already installed your device driver, it should be available where you need it....

2. Peripheral vision.

   Examples

   More examples (3)

   We hailed a cab. The moment we got in, she stared at me with how-can-a-man-be-so-cruel eyes. I felt her glare, saw some of its fiery glow in my peripheral. The heat made me glance her way.

   Peripheral on the package Don't care to settle in Time to feed the monster I don't need another friend Comfort is a mystery Crawling out of my own skin Just give me what I came for Then I'm out the door again

   He would hear the coach's admonition, "Always check your peripheral," after the ringing stopped in his ears. But before then, his eyes were fixed on the ball and a possible interception, not the receiver angling toward him.

   As I sat by the window and read, I caught sight of the mailman in my peripheral.

   More examples (1)

   2014, Bill Ladson, "Zimmerman handles left field with ease -- and no E's" on MLB.com I was kind of looking at the ball, keeping him in my peripheral and all of sudden I see him closing in on the ball.

Adjective

1. on or near an edge or constituting an outer boundary; the outer area

   Antonyms

   central

   Examples

   Russia's peripheral provinces

   peripheral suburbs

2. related to the key issue but not of central importance

   Examples

   a peripheral interest

   energy is far from a peripheral issue in the economy

   More examples (1)

   peripheral issues

Noun

1. electronic equipment external to the circuit board that contains the CPU of a computer

   Synonyms

   computer peripheralperipheral device

   Broader terms

   electronic equipment

   Examples

   disk drives and printers are important peripherals