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Dictionary definition for: Peripheral

1. (n) (computer science) electronic equipment connected by cable to the CPU of a computer; "disk drives and printers are important peripherals"

2. (a) on or near an edge or constituting an outer boundary; the outer area; "Russia''s peripheral provinces" "peripheral suburbs"

3. (s) 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"

WordNet 2.1 Copyright Princeton University. All rights reserved.