Parabola

ahd-5
  • noun. A plane curve formed by the intersection of a right circular cone and a plane parallel to an element of the cone or by the locus of points equidistant from a fixed line and a fixed point not on the line.
    • The Century Dictionary and Cyclopedia
  • noun. Same as parabole.
  • noun. A curve commonly defined as the intersection of a cone with a Plane parallel with its side.
  • noun. By extension, any algebraical curve, or branch of a curve, having the line at infinity as a real tangent.
    • the GNU version of the Collaborative International Dictionary of English
  • noun. A kind of curve; one of the conic sections formed by the intersection of the surface of a cone with a plane parallel to one of its sides. It is a curve, any point of which is equally distant from a fixed point, called the focus, and a fixed straight line, called the directrix. See focus.
  • noun. One of a group of curves defined by the equation y = axn where n is a positive whole number or a positive fraction. For the cubical parabola n = 3; for the semicubical parabola n = 3/2. See under cubical, and semicubical. The parabolas have infinite branches, but no rectilineal asymptotes.
    • Wiktionary, Creative Commons Attribution/Share-Alike License
  • noun. The conic section formed by the intersection of a cone with a plane parallel to a tangent plane to the cone; the locus of points equidistant from a fixed point (the focus) and line (the directrix).
  • noun. The explicit drawing of a parallel between two essentially dissimilar things, especially with a moral or didactic purpose. A parable.
    • WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
  • noun. a plane curve formed by the intersection of a right circular cone and a plane parallel to an element of the curve
    • Word Usage
    "Terrified of boys and the showers … especially since I have actually witnessed one myself. barely missed me and the parabola is impressive."
    Hypernym
    Words that are more generic or abstract
    conic  conic section  
    Same Context
    Words that are found in similar contexts
    U-turn  commedia  ellipse  hyperbola  instancy  
    Synonym
    Words with the same meaning
    arc  bow  catacaustic  catenary  caustic  
    variant
    focus  
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