peripheral meaning and definition

PERIPHERAL noun

Definition of peripheral (noun)

1. (computer science) electronic equipment connected by cable to the CPU of a computer
   • "disk drives and printers are important peripherals"
   • synonyms: computer peripheral, peripheral device

PERIPHERAL adjective

Definition of peripheral (adjective)

1. on or near an edge or constituting an outer boundary; the outer area
   • "Russia's peripheral provinces"; "peripheral suburbs"
   • antonym: central
2. related to the key issue but not of central importance
   • "a peripheral interest"; "energy is far from a peripheral issue in the economy"; "peripheral issues"