parabolic

Definitions

  • WordNet 3.6
    • adj parabolic having the form of a parabola
    • adj parabolic resembling or expressed by parables
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Webster's Revised Unabridged Dictionary
    • Parabolic (Geom) 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 (Geom) Having the form or nature of a parabola; pertaining to, or resembling, a parabola; as, a parabolic curve.
    • Parabolic Of the nature of a parable; expressed by a parable or figure; allegorical; as, parabolical instruction.
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Century Dictionary and Cyclopedia
    • parabolic Of or pertaining to a parable; of the nature of a parable.
    • parabolic Of or pertaining to parabole; of the nature of parabole.
    • parabolic Having the form or outline of a. parabola; of, pertaining to, or resembling a parabola.
    • parabolic Having only one point at infinity, or otherwise determined in character by the coalescence of two quantities.
    • parabolic y = a + bx + cx + dx + ex + etc.
    • parabolic A space in which the sum of the three angles of every triangle is equal to two right angles: so called because the two points at infinity on every straight line in such space coincide; also, every point in every plane in such a space is a point of no curvature, and is therefore a parabolic point.
    • parabolic A parabola so approaching a curve that their distance apart becomes and remains less than any given distance, though never zero.
    • n parabolic A parabola or paraboloid.
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Chambers's Twentieth Century Dictionary
    • adjs Parabolic like a parable or a parabola: expressed by a parable: belonging to, or of the form of, a parabola
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Etymology

Webster's Revised Unabridged Dictionary
Gr. paraboliko`s figurative: cf. F. parabolique,. See Parable
Chambers's Twentieth Century Dictionary
Gr. parabolēparaballein, to compare—para, beside, ballein, to throw.

Usage

In literature:

The parabolic form of housing is elegant in appearance, but theoretically right only when of uniform cross section.
"Scientific American Supplement, No. 643, April 28, 1888" by Various
Christ's conduct was 'reserved and cautious; His language mystical and parabolical.
"The English Church in the Eighteenth Century" by Charles J. Abbey and John H. Overton
It is the trick of promising youth to shoot high and send its phrases in parabolic curves over the target.
"Adventures in Criticism" by Sir Arthur Thomas Quiller-Couch
Spherical reflectors were introduced in about 1780 and parabolic reflectors about ten years later.
"Artificial Light" by M. Luckiesh
They can be reflected by plain sheets of metal, concentrated by parabolic reflectors, refracted by prisms, concentrated by lenses.
"Scientific American Supplement, No. 717, September 28, 1889" by Various
The centre span is a two-hinged parabolic braced rib arch, and there are side spans of 190 and 210 ft.
"Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3" by Various
Roubiliac carved similar parabolic productions in marble and set them up in Westminster Abbey and elsewhere.
"Art in England" by Dutton Cook
She, too, admires the rhythmic parabolic curve of bare shoulders.
"Europe After 8:15" by H. L. Mencken, George Jean Nathan and Willard Huntington Wright
The ball rose in parabolic Splendor above the highest branches of a venerable Elm.
"Ade's Fables" by George Ade
It is in reality falling in a great parabolic or elliptical curve through space.
"Edison's Conquest of Mars" by Garrett Putnam Serviss
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In poetry:

He clubbed his wretched company a dozen times a day;
He used to quit his charger in a parabolic way;
His method of saluting was the joy of all beholders,
But Ahasuerus Jenkins had a head upon his shoulders.
"Army Headquarters" by Rudyard Kipling

In news:

For the Dallas Convention Center, BendTec used induction bending to shape the approximately 30-ft.-long arch segments to achieve the parabolic shape.
Microstrip reflectarray antennas promise to provide the best features of printed phased-array and parabolic reflector antennas.
3M's Renewable Energy Division and Gossamer Space Frames have unveiled what they claim is the world's largest aperture parabolic trough solar collector.
A parabolic (or U-shaped) bend is a good quality for rods designed to jig in deep water.
Parabolic price movements are great fun whilst they last.
The NASDAQ technology index doubled in a year to reach 5000 during its final, parabolic run-up to March 2000.
Legend tells of Greek engineer and inventor Archimedes using parabolic mirrors to create "heat rays" to burn the ships attacking Syracuse.
Extend Your Wi-Fi Range With a Parabolic Reflector.
Parabolic Profile Allows for Ease of Access.
Extend Your Wi-Fi Range With a Parabolic Reflector .
Buono used a simple, 7-foot Westcott Silver Parabolic Umbrella with tungsten bulb to produce a glamorous look for the SNL spoof commercial, Red Flag.
It uses a 250W discharge lamp lightsource and features a high luminous parabolic reflector, CMY color mixing, a color wheel with 6 dichroic filters and open, dimmer, and near-silent cooling fans.
Day Account of Jesus's Final Week in Jerusalem, Marcus Borg and John Dominic Crossan differentiate between historical truth and parabolic truth in the resurrection accounts.
In each production unit there is one agitator and two stage impellers - one impeller with parabolic blades and one impeller with flat blades.
Behind a black mesh screen high atop the 11-story video scoreboard at Texas A&M's Kyle Field in College Station sit two tiers of eight parabolic dishes each.
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In science:

Definition 4.4 The weighted graph (Γ, µ) satisfies the (F −parabolic or simply) parabolic Harnack inequality if the fol lowing condition holds.
Random walks on graphs with volume and time doubling
Definition 4.2 The weighted graph (Γ, µ) satisfies the (F −parabolic or simply) parabolic Harnack inequality (PHF ) if the fol lowing condition holds.
The volume and time comparison principle and transition probability estimates for random walks
Any parabolic subalgebra p contains a unique ad–nilpotent ideal i0 which is irreducible as a module for the Levi factor of the parabolic.
Ideals in Parabolic Subalgebras of Simple Lie Algebras
As a corollary we prove that given such a subset there exists a parabolic pS whose unique irreducible ad–nilpotent ideal is given by S and if p is another parabolic whose irreducible ad nilpotent ideal is given by S then p ⊂ pS .
Ideals in Parabolic Subalgebras of Simple Lie Algebras
These slices are of the form NsZ s−1 where s ∈ G is a representative of an element of the Weyl group W , Ns = {n ∈ N | sns−1 ∈ P }, N is the unipotent radical of a parabolic subgroup P of G with Levi factor L, P is the opposite parabolic subgroup, and Z = {z ∈ L | sz s−1 = z } is the centralizer of s in L.
The Poisson geometry of the conjugation quotient map for simple algebraic groups and deformed Poisson W-algebras
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