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parabolic    音标拼音: [p,ɛrəb'ɑlɪk]
a. 抛物线的;抛物线状的

抛物线的;抛物线状的

parabolic
半抛物线的

parabolic
抛物线

parabolic
adj 1: resembling or expressed by parables [synonym: {parabolic},
{parabolical}]
2: having the form of a parabola [synonym: {parabolic},
{parabolical}]

Parabolic \Par`a*bol"ic\, Parabolical \Par`a*bol"ic*al\, a. [Gr.
paraboliko`s figurative: cf. F. parabolique. See {Parable}.]
[1913 Webster]
1. Of the nature of a parable; expressed by a parable or
figure; allegorical; as, parabolical instruction.
[1913 Webster]

2. [From {Parabola}.] (Geom.)
(a) Having the form or nature of a parabola; pertaining
to, or resembling, a parabola; as, a parabolic curve.
(b) Having a form like that generated by the revolution of
a parabola, or by a line that moves on a parabola as a
directing curve; as, a parabolic conoid; a parabolic
reflector; a parabolic antenna.
[1913 Webster PJC]

{Parabolic conoid}, a paraboloid; a conoid whose directing
curve is a parabola. See {Conoid}.

{Parabolic mirror} (Opt.), a mirror having a paraboloidal
surface which gives for parallel rays (as those from very
distant objects) images free from aberration. It is used
in reflecting telescopes.

{Parabolic spindle}, the solid generated by revolving the
portion of a parabola cut off by a line drawn at right
angles to the axis of the curve, about that line as an
axis.

{Parabolic spiral}, a spiral curve conceived to be formed by
the periphery of a semiparabola when its axis is wrapped
about a circle; also, any other spiral curve having an
analogy to the parabola.
[1913 Webster]


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  • Parabola - Wikipedia
    The parabola has many important applications, from a parabolic antenna or parabolic microphone to automobile headlight reflectors and the design of ballistic missiles
  • Parabola - Definition, Equations, Examples, Diagrams
    As a player shoots the ball, the ball follows a curved path before landing in the hoop The path that the ball takes is a parabola A parabola is a U-shaped curve that is also found in the path of water in a fountain or the shape of satellite dishes
  • PARABOLIC Definition Meaning - Merriam-Webster
    The meaning of PARABOLIC is expressed by or being a parable : allegorical How to use parabolic in a sentence Did you know?
  • Parabola - Math is Fun
    A parabola is a curve where any point is at an equal distance from: Get a piece of paper, draw a straight line on it, then make a big dot for the focus (not on the line!) Now play around with some measurements until you have another dot that is exactly the same distance from the focus and the straight line
  • Parabola | Definition, Origin, Equation, Applications | Britannica
    parabola, open curve, a conic section produced by the intersection of a right circular cone and a plane parallel to an element of the cone—that is, the cone’s surface
  • What are parabolas, their equations, their rules? | Purplemath
    What is a parabola? A parabola is a particular type of geometrical curve which, algebraically, corresponds to a quadratic equation In geometrical terms, the parabola corresponds to the edge of slice of an inverted cone; this slice is what is called the conic "section"
  • The Parabola | Algebra and Trigonometry - Lumen Learning
    Parabolic mirrors, such as the one used to light the Olympic torch, have a very unique reflecting property When rays of light parallel to the parabola’s axis of symmetry are directed toward any surface of the mirror, the light is reflected directly to the focus
  • Parabola | Definition Parabolic Shape Equation - Study. com
    In this lesson, learn what a parabola is Moreover, learn about various parts of a parabola and see everyday examples of parabolic shape Finally, discover what a parabolic shape equation
  • Parabola Explained: Properties, Equations Practical Uses
    What is a Parabola? A parabola is a U-shaped curve that appears frequently in mathematics, physics and engineering It is a conic section defined by a simple geometric property: every point on the curve is equidistant from a fixed point (the focus) and a fixed line (the directrix)
  • Study Guide - The Parabola - Symbolab
    In mathematics, a parabola is a conic section, created from the intersection of a right circular conical surface and a plane parallel to a generating straight line of that surface In other words, the plane is at the same angle as the outside surface of the cone





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