single-wire line
81spot line — noun : a single line specially rigged to fly a piece of theatrical scenery that cannot be handled by the regular lines * * * Theat. a rope or wire hung from a specific place on the gridiron for flying a piece of scenery that could not be flied by …
82telecommunications media — Introduction equipment and systems metal wire, terrestrial and satellite radio, and optical fibre employed in the transmission of electromagnetic signals. Transmission media and the problem of signal degradation Every… …
83Overhead lines — This article is about the transmission of electrical power to road and rail vehicles. For transmission of bulk electrical power to general consumers, see Electric power transmission. For powerlines mounted on pylons, see overhead power line.… …
84Fly system — Fly loft of the Theater Bielefeld in Germany A fly system, flying system or theatrical rigging system, is a system of lines (e.g. ropes), blocks (pulleys), counterweights and related devices within a theatre that enable a stage crew to quickly,… …
85Electric power transmission — Electric transmission redirects here. For vehicle transmissions, see diesel electric transmission. 400 kV high tension transmission lines near Madrid Electric power transmission or high voltage electric transmission is the bulk transfer of… …
86telephone — telephoner, n. /tel euh fohn /, n., v., telephoned, telephoning. n. 1. an apparatus, system, or process for transmission of sound or speech to a distant point, esp. by an electric device. v.t. 2. to speak to or summon (a person) by telephone. 3.… …
87Magnetic-core memory — A 32 x 32 core memory plane storing 1024 bits of data. Computer memory types Volatile RAM DRAM (e.g., DDR SDRAM) SRA …
88Split-phase electric power — A split phase electricity distribution system is a 3 wire single phase distribution system, commonly used in North America for single family residential and light commercial (up to about 100 kVA) applications. It is the AC equivalent of the… …
89Dipole antenna — A schematic of a half wave dipole antenna connected to an unbalanced coaxial cable. Better practice is to connect the balanced dipole to the unbalanced line with a balun. A dipole antenna is a radio antenna that can be made of a simple wire, with …
90mining — /muy ning/, n. 1. the act, process, or industry of extracting ores, coal, etc., from mines. 2. the laying of explosive mines. [1250 1300; ME: undermining (walls in an attack); see MINE2, ING1] * * * I Excavation of materials from the Earth s… …
