from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. The ratio of the RMS value to the absolute mean of a sinusoidal wave (especially to that of an alternating current)
  • n. Any of several functions that describe the unknown internal state of a particle
  • n. The emissivity of a material
  • n. A function that describes the scattering power of an atom as function of the scattering angle
  • n. A factor describing the stress distribution of a body
  • n. The geometry of an object, especially in engineering design; configuration.


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