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magnetic particle inspection


      n     (Engineering)   a method of testing for cracks and other defects in a magnetic material, such as steel, by covering it with a magnetic powder and magnetizing it: any variation in the concentration of the powder indicates a flaw in the material  
Diccionario de inglés definición  
1    of, producing, or operated by means of magnetism  
2    of or concerned with a magnet  
3    of or concerned with the magnetism of the earth  
the magnetic equator     
4    capable of being magnetized  
5    exerting a powerful attraction  
a magnetic personality     
  magnetically      adv  

magnetic bottle  
      n   a configuration of magnetic fields for containing the plasma in controlled thermonuclear reactions  
magnetic bubble  
      n     (Physics)   a small round magnetic domain induced by a magnetic field in a thin film of magnetic material, used in certain types of computer memories  
magnetic character reader  
      n   a device that automatically scans and interprets characters printed with magnetic ink. It operates by the process of magnetic character recognition  
magnetic compass  
      n   a compass containing a magnetic needle pivoted in a horizontal plane, that indicates the direction of magnetic north at points on the earth's surface  
magnetic confinement  
      n      another name for       containment       3  
magnetic constant  
      n   the permeability of free space, which has the value 4πx10--7henry per metre.,   (Symbol)    M0     (Also called)    absolute permeability  
magnetic course  
      n   an aircraft's course in relation to the magnetic north,   (Also called)    magnetic heading  
magnetic declination  
      n   the angle that a compass needle makes with the direction of the geographical north pole at any given point on the earth's surface,   (Also called)    declination, magnetic variation  
magnetic dip   , inclination  
      n      another name for       dip       27  
magnetic dipole moment  
      n   a measure of the magnetic strength of a magnet or current-carrying coil, expressed as the torque produced when the magnet or coil is set with its axis perpendicular to unit magnetic field.,   (Symbol)    m, j     (Also called)    magnetic moment      Compare       electromagnetic moment  
magnetic disk  
      n     (Computing)      another name for       disk       2  
magnetic epoch  
      n     (Geology)   a geologically long period of time during which the magnetic field of the earth retains the same polarity. The magnetic field may reverse during such a period for a geologically short period of time (a magnetic event)  
magnetic equator  
      n   an imaginary line on the earth's surface, near the equator, at all points on which there is no magnetic dip,   (Also called)    aclinic line  
magnetic field  
      n   a field of force surrounding a permanent magnet or a moving charged particle, in which another permanent magnet or moving charge experiences a force  
   Compare       electric field  
magnetic flux  
1    a measure of the strength of a magnetic field over a given area, equal to the product of the area and the magnetic flux density through it.,   (Symbol)    φ
2    a magnetic field  
magnetic flux density  
      n   a measure of the strength of a magnetic field at a given point, expressed by the force per unit length on a conductor carrying unit current at that point.,   (Symbol)    B     (Also called)    magnetic induction  
magnetic induction  
      n      another name for       magnetic flux density  
magnetic ink  
      n   ink containing particles of a magnetic material used for printing characters for magnetic character recognition  
magnetic ink character recognition  
      n   the process of reading characters printed in magnetic ink,   (Abbrev.)    MICR  
magnetic lens  
      n   a set of magnets, esp. electromagnets, used to focus or defocus a beam of charged particles in an electron microscope, particle accelerator, or similar device  
magnetic meridian  
      n   a continuous imaginary line around the surface of the earth passing through both magnetic poles  
magnetic mine  
      n   a mine designed to activate when a magnetic field such as that generated by the metal of a ship's hull is detected  
magnetic mirror  
      n     (Physics)   a configuration of magnetic fields used to confine charged particles, as in a magnetic bottle  
magnetic moment  
      n      short for       magnetic dipole moment       electromagnetic moment  
magnetic monopole  
      n      another name for       monopole       2  
magnetic needle  
      n   a slender magnetized rod used in certain instruments, such as the magnetic compass, for indicating the direction of a magnetic field  
magnetic north  
      n   the direction in which a compass needle points, at an angle (the declination) from the direction of true (geographic) north  
magnetic particle inspection  
      n     (Engineering)   a method of testing for cracks and other defects in a magnetic material, such as steel, by covering it with a magnetic powder and magnetizing it: any variation in the concentration of the powder indicates a flaw in the material  
magnetic pick-up  
      n   a type of record player pick-up in which the stylus moves an iron core in a coil, causing a changing magnetic field that produces the current  
magnetic pole  
1    either of two regions in a magnet where the magnetic induction is concentrated  
2    either of two variable points on the earth's surface towards which a magnetic needle points, where the lines of force of the earth's magnetic field are vertical  
magnetic resonance  
      n   the response by atoms, molecules, or nuclei subjected to a magnetic field to radio waves or other forms of energy: used in medicine for scanning (magnetic resonance imaging)  
magnetic storm  
      n   a sudden severe disturbance of the earth's magnetic field, caused by emission of charged particles from the sun  
magnetic stripe  
      n   (across the back of various types of cheque card, credit card, etc.) a dark stripe of magnetic material consisting of several tracks onto which information may be coded and which may be read or written to electronically  
magnetic tape  
      n   a long narrow plastic or metal strip coated or impregnated with a ferromagnetic material such as iron oxide, used to record sound or video signals or to store information in computers,   (Sometimes (informal) shortened to)    mag tape  
magnetic tape unit   , drive  
      n   a computer device that moves reels of magnetic tape past read-write heads so that data can be transferred to or from the computer  
magnetic variation  
      n      another name for       magnetic declination  
nuclear magnetic resonance  
      n   a technique for determining the magnetic moments of nuclei by subjecting a substance to high-frequency radiation and a large magnetic field. The technique is used as a method of determining structure,   (Abbrev.)    NMR      See also       electron spin resonance  
nuclear magnetic resonance scanner  
      n   a machine for the medical technique in which changes in the constituent atoms of the body under the influence of a powerful electromagnet are used to generate computed images of the internal organs  
unit magnetic pole  
      n   the strength of a magnetic pole that will repel a similar pole 1 centimetre distant from it, in a vacuum, with a force of 1 dyne  

Diccionario de inglés definición  



alluring, attractive, captivating, charismatic, charming, enchanting, entrancing, fascinating, hypnotic, irresistible, mesmerizing, seductive  
   disagreeable, offensive, repellent, repulsive, unappealing, unattractive, unlikable or unlikeable, unpleasant  

Diccionario de inglés sinónimos  

Diccionario colaborativo     Inglés Definiciones
Magnetic Test
Non destructive test method, abreviation in accordance with norm EN4179 or NAS410
artificial long word coined to mean a lung disease known as silicosis, a type of pneumoconiosis caused by inhalation of ultra-microscopic particles of crystalline silica volcanic dust. It has the particularity of being the longest word in the English language published in a dictionary
Longer tech. terms exist (up to 189,819 letters!).The word, presumably coined in 1935 by E.M. Smith (pres. of the National Puzzlers'League) in imitation of very long medical terms, contains 45 letters
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