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probe |
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probeA small utility program that is used to investigate, or test, the status of a system, network or Web site. Probes are mostly used for lawful purposes to determine if a device is functional. They can also be used by crackers to locate weaknesses in the system. A Web probe analyzes a Web site and reports data such as response time, security protocols supported and type of Web server. See ping. probe 1. Surgery a slender and usually flexible instrument for exploring a wound, sinus, etc. 2. Electronics a lead connecting to or containing a measuring or monitoring circuit used for testing 3. Electronics a conductor inserted into a waveguide or cavity resonator to provide coupling to an external circuit 4. any of various devices that provide a coupling link, esp a flexible tube extended from an aircraft to link it with another so that it can refuel probe [prōb] (aerospace engineering) An instrumented vehicle moving through the upper atmosphere or space or landing upon another celestial body in order to obtain information about the specific environment. (biology) A biochemical substance labeled with a radioactive isotope or tagged in some other way and used to identify or isolate a gene, a gene product, or a protein. (communications) To determine a radio interference by obtaining the relative interference level in the immediate area of a source by the use of a small, insensitive antenna in conjunction with a receiving device. (electromagnetism) A metal rod that projects into but is insulated from a waveguide or resonant cavity; used to provide coupling to an external circuit for injection or extraction of energy or to measure the standing-wave ratio. Also known as waveguide probe. (engineering) A small tube containing the sensing element of electronic equipment, which can be lowered into a borehole to obtain measurements and data. (physics) A small device which can be brought into contact with or inserted into a system in order to make measurements on the system; ordinarily it is designed so that it does not significantly disturb the system.
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