English Words Starting With M

• magnetic domain

  nounC2
  /mæɡˌnet.ɪk dəʊˈmeɪn/A region within a ferromagnetic material where the magnetic moments of atoms are uniformly aligned.
• magnetic drum

  nounC2
  /mæɡˌnet.ɪk ˈdrʌm/A cylindrical early computer memory device that stores data magnetically on its rotating metal surface.
• magnetic epoch

  nounC1+
  /mæɡˌnet.ɪk ˈiː.pɒk/A specific interval in geological time defined by the dominant polarity of Earth's magnetic field.
• magnetic equator

  nounLow
  /mæɡˌnet.ɪk ɪˈkweɪ.tər/The line around the Earth connecting all points where the magnetic dip (inclination) is zero; where a compass needle remains horizontal.
• magnetic field

  nounB2
  /mæɡˌnetɪk ˈfiːld/The region around a magnet or an electric current where magnetic forces can be detected and measured.
• magnetic flux

  nounC1/C2
  /mæɡˌnet.ɪk ˈflʌks/A quantitative measure of the total magnetic field passing through a given area.
• magnetic flux density

  nounVery Low / Specialised
  /mæɡˌnet.ɪk ˈflʌks ˌden.sə.ti/A measure of the amount of magnetic field passing through a given area.
• magnetic head

  nounlow
  /mæɡˌnɛt.ɪk ˈhɛd/A component in a tape recorder, hard drive, or other data storage device that reads and writes data by magnetizing or detecting magnetization on a surface.
• magnetic hysteresis

  nounC2
  /mæɡˌnet.ɪk ˌhɪs.təˈriː.sɪs/The lagging of magnetic induction behind the magnetizing force in a ferromagnetic material when the magnetic field is changed.
• magnetic induction

  nounLow
  /mæɡˌnet.ɪk ɪnˈdʌk.ʃən/The process by which a material or object becomes magnetized when placed in an external magnetic field, or the production of an electromotive force in a conductor by changing the magnetic field around it.
• magnetic ink

  nounLow
  /mæɡˌnet.ɪk ˈɪŋk/A special ink containing magnetic particles, used primarily for printing characters that can be read by magnetic character recognition devices.
• magnetic ink character recognition

  nounRare / C2+
  /mæɡˌnet.ɪk ɪŋk ˈkær.ək.tə ˌrek.əɡˈnɪʃ.ən/A technology that allows machines to read characters printed with special magnetic ink, primarily used for processing cheques and financial documents.
• magnetic intensity

  nounC2
  /mæɡˌnet.ɪk ɪnˈten.sə.ti/The measure of the strength of a magnetic field at a given point, particularly its ability to magnetize a material.
• magnetic lens

  nounVery Low (specialist term)
  /mæɡˌnɛt.ɪk ˈlenz/A device that uses a magnetic field to focus or manipulate a beam of charged particles, such as electrons or ions.
• magnetic levitation

  nounlow
  /mæɡˌnet.ɪk ˌlev.ɪˈteɪ.ʃən/A method of suspending and propelling an object (like a train) using powerful magnets to create lift and movement without physical contact.
• magnetic meridian

  nounC1
  /mæɡˌnet.ɪk məˈrɪd.i.ən/An imaginary line on the Earth's surface that connects points with the same direction of the Earth's magnetic field, aligned with the local magnetic north and south poles.
• magnetic mine

  nounC2
  /mæɡˌnet.ɪk ˈmaɪn/A naval explosive device that is detonated by the magnetic field of a ship passing near it.
• magnetic mirror

  nounVery Low (Specialized Technical Term)
  /mæɡˌnet.ɪk ˈmɪr.ər/A physical configuration in which a magnetic field increases in strength toward an endpoint, causing charged particles to reverse direction when they approach that region.
• magnetic moment

  nounC2
  /mæɡˌnet.ɪk ˈməʊ.mənt/A vector quantity representing the strength and direction of the magnetic properties of a magnet or a current-carrying coil.
• magnetic monopole

  nounC2
  /mæɡˌnet.ɪk ˈmɒn.ə.pəʊl/A hypothetical, elementary particle that acts as an isolated magnetic pole, possessing only a north or south magnetic charge, in contrast to the inseparable north and south poles of a standard magnet.

Showing 481–500 of 8594 words.