peripheral
1. [ adjective ] on or near an edge or constituting an outer boundary; the outer area
Examples:

"Russia's peripheral provinces" "peripheral suburbs"

Related terms: central edge off-base off-base encircling circumferential
2. [ adjective ] of or relating to or of the nature of a periphery
Examples:

"peripheral vision"

Related terms: periphery
3. [ adjective ] related to the key issue but not of central importance
Examples:

"a peripheral interest" "energy is far from a peripheral issue in the economy" "peripheral issues"

Related terms: incidental
4. [ noun ] (computer science) electronic equipment connected by cable to the CPU of a computer
Synonyms: peripheral_device computer_peripheral
Examples:

"disk drives and printers are important peripherals"

Related terms: electronic_equipment printer computer digital_computer computer_science
Similar spelling:   peripherally
  periphery
  periphrasis
  periphrastic