BNC

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BNC

(hardware)
A connector for coaxial cable such as that used for some video connections and RG58 "cheapernet" connections. A BNC connector has a bayonet-type shell with two small knobs on the female connector which lock into spiral slots in the male connector when it is twisted on.

Different sources expand BNC as Bayonet Navy Connector, British Naval Connector, Bayonet Neill Concelman, or Bayonet Nut Connection.
References in periodicals archive ?
Specimens of the pond mussel were collected at sites SPBSC (South Prong of Big Sandy Creek), SMC1 (Sixmile Creek), CC (Conner Creek), WC (Walnut Creek), SB (Spring Branch), PB (Patroon Bayou), IC (Indian Creek), BMPC (Beauchamp Creek), BNC1 (Brittain Creek 1), and BS (Bayou Siep).
A synthetic Cobol benchmark program of 1,264 lines, BNC1 attempts to measure individual language features and combine them in the proportions thought to create a "typical" Cobol program.