from The Century Dictionary.

  • noun That position from which as an origin the mean value of all the rectangular or oblique coördinates of the particles of a body is zero.


Sorry, no etymologies found.


  • The shapes and angles of the plates have nothing to do with it, except that the perpendicular distance of the plate edges from the mass-center line determines thickness of the beam of parallel current-rays.

    The Airlords of Han

  • This line is the theoretical straight line passing through the mass-center of each plate.

    The Airlords of Han


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