Cyclopædia

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Assuming ellipse is required, the following 4 results were found.

  • AXIShttps://chambers.encyclo.eu/index.php/unclassified/AXIS

    parts, it is called the axis of the section. See SECTION. Transverse Axis, called also the first or principal axis of an ellipse or hyperbola, is the axis AP, last defined: being thus called in contradistinction to the conjugate or secondary axis. The...

    • Type: Article
    • Author: Ephraïm Chambers
    • Category: Unclassified
  • ACUTEhttps://chambers.encyclo.eu/index.php/unclassified/ACUTE

    the Triangle ACB, (Tab. Geometry, Fig, 68.)Acute-Angular Section, of a Cone, was used by the ancient Geometricians for the Ellipse. See ELLIPSE, and CONE. Acute, in Music, is understood of a Sound, or Tone which is sharp, or shrill, or high, in respect...

    • Type: Article
    • Author: Ephraïm Chambers
    • Category: Unclassified
  • ANALEMMAhttps://chambers.encyclo.eu/index.php/unclassified/ANALEMMA

    a Planisphere; or Projection of the Sphere, on the Plane of the Meridian, orthographically made, by straight Lines and Ellipses; the Eye being supposed to be at an infinite Distance; and in the East or West Points of the Horizon. See PLANISPHERE,...

    • Type: Article
    • Author: Ephraïm Chambers
    • Category: Unclassified
  • ARCHhttps://chambers.encyclo.eu/index.php/unclassified/ARCH

    ARK, Arcus, a part of any curved line; e.g., of a circle, ellipse, or the like. See CURVE. An arc of a circle is a part of the circumference thereof, less than a half, or semicircle—Such is AB (Tab. Geometry, fig. 27) See CIRCLE and CIRCUMFERENCE. The...

    • Type: Article
    • Author: Ephraïm Chambers
    • Category: Unclassified
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