Crossword clues for parabolic
parabolic
The Collaborative International Dictionary
Parabolic \Par`a*bol"ic\, Parabolical \Par`a*bol"ic*al\, a. [Gr. paraboliko`s figurative: cf. F. parabolique. See Parable.]
Of the nature of a parable; expressed by a parable or figure; allegorical; as, parabolical instruction.
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[From Parabola.] (Geom.)
Having the form or nature of a parabola; pertaining to, or resembling, a parabola; as, a parabolic curve.
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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.
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.
Douglas Harper's Etymology Dictionary
mid-15c., from Late Latin parabolicus, from late Greek parabolikos "figurative," from parabole (see parable). Related: Parabolical.
Wiktionary
a. 1 Of, or pertaining to, or in the shape of a parabola or paraboloid 2 Of or pertaining to a parable n. (context mathematics English) A parabolic function, equation etc
WordNet
adj. resembling or expressed by parables [syn: parabolical]
having the form of a parabola [syn: parabolical]
Wikipedia
Parabolic usually refers to something in a shape of a parabola.
Parabolic may refer to:
- In mathematics:
- In elementary mathematics, especially elementary geometry:
- Parabolic coordinates
- Parabolic cylindrical coordinates
- parabolic Möbius transformation
- Parabolic geometry (disambiguation)
- Parabolic spiral
- In advanced mathematics:
- Parabolic cylinder function
- Parabolic induction
- Parabolic Lie algebra
- Parabolic partial differential equation
- In physics:
- Parabolic trajectory
- In technology:
- Parabolic antenna
- Parabolic microphone
- Parabolic reflector
- Parabolic trough - a type of solar thermal energy collector
- Parabolic flight - a way of achieving weightlessness
- Parabolic action, or parabolic bending curve - a term often used to refer to a progressive bending curve in fishing rods.
- In commodities and stock markets:
- Parabolic SAR - a chart pattern in which prices rise or fall with an increasingly steeper slope
Usage examples of "parabolic".
Still on the same day, at the Argentine base at Orkney Island, two meteorological observers sighted an aerial object flying at high speed on a parabolic trajectory, course E-W, white luminosity, causing disturbance in the magnetic field registered on geomagnetic instruments with patterns notably out of the normal.
I picked out the stunner by its parabolic reflector, the cameras, and a toroidal coil that had to be part of the floater device.
A man in an FBI windbreaker was kneeling in the dark at the edge of the kill zone and Fagin thought at first that it was Banish, but upon closer examination saw that it was someone else, an agent in headphones mounting a microphone gun with a parabolic dish.
The centre span is a two-hinged parabolic braced rib arch, and there are side spans of 190 and 210 ft.
This was a parabolic curve unaffected in its course by such historical disturbances and shocks as invasions, plagues, and genocides, because technology, once it gained momentum, became a variable independent of the civilizational substructure.
There’s a tower at one end, as sharp and axisymmetrical as a relativistic impactor (if warships were made of stone and had holes drilled in their dorsal end with huge parabolic chimes hanging inside).
While the base stations cranked out about five hundred watts, the mobile stations were allowed less than seven, and the battery-powered hand-held sets that everyone likes to use were three hundred milliwatts, and even with a huge parabolic dish receiving antenna, the signals gathered were like whispers.
However, they may still claim compensatory damages for the loss of data and injury to the parabolic dish.
Jets of water skipped white and straddled the speeding boat as shells ripped away the airfoil above and behind the cockpit that held the parabolic satellite dish antenna and communications antenna and navigation transponder, blasting the remains into the river.
The signal, sent in a fraction of a second, was received by photovoltaic cells, read over to a UHF transmitter, and shot back down by a parabolic dish antenna towards Atlantic Fleet Communications headquarters.
As the radius of Phobos's circle was far shorter than that of the parabolic curve they were making, it began to draw away, and was rapidly left behind.
That parabolic mirror gathers in the scattered rays, focusses them on the selenium cell which you saw in the middle of the reflector, and that causes the cell to vary the amount of electric current passing through it from a battery of storage cells.
The ceiling of the hall descended in a fine parabolic arc until it reached the entrance to a gallery, in whose recesses gas cylinders, gauges, parachutes, crates and a quantity of other objects were scattered about in untidy heaps.
The new rocket, entering inner space on its parabolic flight, was getting red-hot as it came back down, something the Scud was never designed to do.
Faraday explains that the NSA has a parabolic reflector inside the extinct Palawai volcano on the island of Lanai that is eighty meters in diameter.