External ballistics — is the part of the science of ballistics that deals with the behaviour of a non powered projectile in flight. External ballistics is frequently associated with firearms, and deals with the behaviour of the bullet after it exits the barrel and… … Wikipedia
External beam radiotherapy — otherwise known as teletherapy, is the most frequently used form of radiotherapy. The patient sits or lies on a couch and an external source of radiation is pointed at a particular part of the body. Kilovoltage (also known as Superficial or Deep) … Wikipedia
External sorting — is a term for a class of sorting algorithms that can handle massive amounts of data. External sorting is required when the data being sorted does not fit into the main memory of a computing device (usually RAM) and a slower kind of memory… … Wikipedia
External wall insulation — system= External wall insulation system (EWIS) a thermally insulated, protective, decorative exterior cladding system which consist of: *foamed polystyrene *mineral wool *polyurethane foam *mineral or synthetic plasterThermal insulation thickness … Wikipedia
External risk — External RisksIn Contract LawIn contract law, are risks that are produced by a non human source and are beyond human control. They are unexpected but happen regularly enough in a general population to be broadly predictable, and may be the… … Wikipedia
External rotation — (or lateral rotation) is rotation away from the center of the body.The muscles of external rotation include: * of arm/humerus at shoulder [ [http://www.exrx.net/Articulations/Shoulder.html#anchor109903 Shoulder Articulations ] ] ** Deltoid muscle … Wikipedia
External Data Representation — (XDR) is an IETF standard from 1995 of the presentation layer in the OSI model. XDR allows data to be wrapped in an architecture independent manner so data can be transferred between heterogeneous computer systems. Converting from the local… … Wikipedia
External resorption — is a condition of a tooth where the root surface is lost. This can be caused by chronic inflammation, cysts, tumors, trauma, reimplantation of a tooth, or sometimes the cause is unknown. See also *Internal resorptionReferences*Kahn, Michael A.… … Wikipedia
External ray — In complex analysis, particularly in complex dynamics and geometric function theory, external rays are associated to a compact, full, connected subset K, of the complex plane as the images of radial rays under the Riemann map of the complement of … Wikipedia
External hard disk drive — An external hard disk drive is a type of hard disk drive which is externally connected to a computer. Modern entries into the market consist of standard SATA, IDE, or SCSI hard drives in portable disk enclosures with SCSI, USB, IEEE 1394 Firewire … Wikipedia
External variable — An external variable (keyword extern for C and C++ programming languages) is a variable declaration keyword used to signify that a global variable has been declared in another file, and is simply used within the file containing the extern keyword … Wikipedia
