In the cross section of a realizable optical fiber, ideally circular, but assumed to a first approximation to be elliptical, the average of the diameters of the smallest circle that can be circumscribed about the core-cladding boundary, and the largest circle that can be inscribed within the core-cladding boundary.

A printout, usually in hexadecimal characters, of the contents of core memory.
Note: A core dump is useful for analyzing an abnormally terminated computer run or finding bugs in a computer program.

Synonym concentricity error. See ovality.

Historically, one of a set of gateways (routers) operated by the Internet Network Operations Center at BBN.
Note: The core gateway system forms a central part of Internet routing in that all groups must advertise paths to their networks from a core gateway, using the exterior gateway protocol (EGP). [Bahorsky]

See ovality.

See magnetic core storage.

See concentricity error.

Synonym concentricity error.

Synonym concentricity error.

Synonym concentricity error.