Noun
-
(computer science) electronic equipment connected by cable to the CPU of a computer
"disk drives and printers are important peripherals"
- computer peripheral - peripheral device
Adjective
-
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"
-
on or near an edge or constituting an outer boundary
the outer area
"Russia's peripheral provinces"
"peripheral suburbs"