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axis

Definitions

  • WordNet 3.6
    • n axis the center around which something rotates
    • n axis the 2nd cervical vertebra; serves as a pivot for turning the head
    • n axis a straight line through a body or figure that satisfies certain conditions
    • n axis a group of countries in special alliance
    • n Axis in World War II the alliance of Germany and Italy in 1936 which later included Japan and other nations "the Axis opposed the Allies in World War II"
    • n axis the main stem or central part about which plant organs or plant parts such as branches are arranged
    • ***
Webster's Revised Unabridged Dictionary
  • Interesting fact: Polaris is the closest visible star to true north and is thus referred to as the North Star. By sometime around the year 2100, the wobble of the Earth's axis will slowly begin pointing the North Pole away from Polaris. By the year 14,000 A.D., the new North Star will be Vega.
    • Axis (Math) A straight line with respect to which the different parts of a magnitude are symmetrically arranged; as, the axis of a cylinder, i. e., the axis of a cone, that is, the straight line joining the vertex and the center of the base; the axis of a circle, any straight line passing through the center.
    • n Axis A straight line, real or imaginary, passing through a body, on which it revolves, or may be supposed to revolve; a line passing through a body or system around which the parts are symmetrically arranged.
    • Axis (Anat) Also used of the body only of the vertebra, which is prolonged anteriorly within the foramen of the first vertebra or atlas, so as to form the odontoid process or peg which serves as a pivot for the atlas and head to turn upon.
    • Axis (Crystallog) One of several imaginary lines, assumed in describing the position of the planes by which a crystal is bounded.
    • Axis (Fine Arts) The primary or secondary central line of any design.
    • Axis (Anat) The second vertebra of the neck, or vertebra dentata.
    • n Axis (Zoöl) The spotted deer (Cervus axis or Axis maculata) of India, where it is called hog deer and parrahMoorish name).
    • Axis (Bot) The stem; the central part, or longitudinal support, on which organs or parts are arranged; the central line of any body.
    • ***
Century Dictionary and Cyclopedia
  • Interesting fact: The earth rotates on its axis more slowly in March than in September.
    • n axis The motionless, or relatively motionless, imaginary line about which a rotating body, such as the earth, turns: specifically called in this sense the axis of revolution or rotation (which see, below).
    • n axis The axle of a wheel; the cylindrical portion of any mechanical piece intended to turn in bearings: as, the axis of a transit instrument.
    • n axis In anatomy: The second cervical vertebra: so called because the atlas turns upon it as about a pivot or axis, bearing the head with it.
    • n axis It is usually distinguished from the other vertebræ by having an odontoid or tooth-like process, furnishing the pivot about which the atlas turns: hence called the toothed vertebra (vertebra dentata), or the odontoid vertebra (vertebra odontoidea).
    • n axis The odontoid process of the axis.
    • n axis The entire vertebral column.
    • n axis The central or axial nervous system of a vertebrate: as, the cerebrospinal axis.
    • n axis The columella or modiolus of the cochlea.
    • n axis A short thick artery which immediately divides into several branches: as, the celiac axis; the thyroid axis.
    • n axis The axis-cylinder of a nerve.
    • n axis Same as axon.
    • n axis The central line of a solid of revolution; the central line of any symmetrical, or nearly symmetrical, body: as, the axis of a cylinder, of the eye, etc.
    • n axis Any line with reference to which the physical properties of a body, especially its elasticity, are symmetrical.
    • n axis In Trilobita, specifically, the tergum; the median convex portion of a thoracic somite, intervening between the pleura or flattened lateral portions of the thorax. See cut under Trilobita.
    • n axis In conchology, the imaginary line or space around which the whorls of a spiral shell turn.
    • n axis In botany, the stem; the central part or longitudinal support on which organs or parts are arranged. The root has sometimes been called the descending axis.
    • n axis In geography and geology, the central or dominating region of a mountain-chain, or the line which follows the crest of a range and thus indicates the position of the most conspicuous portion of the uplift. In a folded region, or one in which the strata have been bent into anticlinals and synclinals, the axis of each fold is the plane indicating the direction parallel to which the folding has taken place, or toward which the strata incline.
    • n axis In analytical geometry, any fixed line of reference used to determine the position of a point or series of points (line, surface) in space.
    • n axis A kind of East Indian deer, Cervus axis, of which there are several varieties, perhaps species. The body is spotted with white. Also called axis-deer, spotted deer, and hog-deer.
    • n axis [capitalized] [NL.] A genus of such deer.
    • n axis In architecture, one of several lines, either imagined or laid down in the plans, etc., which pass through the middle of an important feature. Thus the axis of an entrance-hall will probably be carried through the middle of the outer doorway, the vestibule and inner doorway, and the hall proper. In symmetrical planning and designing the parts on one side of the axis are exactly like those on the other side. Any feature, as a door or a window, may or may not be on the axis. Compare en axe.
    • n axis of a lens, any straight line through the center of the lens which does not coincide with the radii of curvature. (Used only in the approximate theory of lenses, in which the thickness is ignored.)
    • ***
Chambers's Twentieth Century Dictionary
  • Interesting fact: The earth wobbles on its axis every 21-26,000 years
    • n Axis aks′is the axle, or the line, real or imaginary, on which a body revolves: the straight line about which the parts of a body or system are systematically arranged, or which passes through the centre of all the corresponding parallel sections of it, as of a cylinder, globe, or spheroid. The axis of a curved line is formed by a right line dividing the curve into two symmetrical parts, as in the parabola, ellipse, and hyperbola
    • n Axis aks′is the hog-deer of India.
    • ***

Quotations

  • Thomas Carlyle
    Thomas%20Carlyle
    “Imperfection clings to a person, and if they wait till they are brushed off entirely, they would spin for ever on their axis, advancing nowhere.”
  • Charles De Gaulle
    Charles%20De%20Gaulle
    “The sword is the axis of the world, and grandeur is indivisible.”

Etymology

Webster's Revised Unabridged Dictionary
L. axis, axis, axle. See Axle
Chambers's Twentieth Century Dictionary
L. axis, Pliny's name for an Indian quadruped.

Usage

In literature:

Axis: a small process at base of elytron, upon which it turns.
"Explanation of Terms Used in Entomology" by John. B. Smith
It will be noticed that the blow-pipe can be rotated about a vertical axis so as to throw the flame in various directions.
"On Laboratory Arts" by Richard Threlfall
Now as the eccentric is moved around by the shaft, it is evident that the axis of its motion will be the axis A of the shaft.
"Mechanical Drawing Self-Taught" by Joshua Rose
This would also favour the notion that the axis entered into the constitution of the fruit in this genus.
"Vegetable Teratology" by Maxwell T. Masters
The least common are the longitudinal, in the long axis of the bone.
"Special Report on Diseases of the Horse" by United States Department of Agriculture
Just as our earth, by a sudden change in the inclination of its axis, might rotate more obliquely ...
"The Continental Monthly, Vol. 6, No 4, October, 1864" by Various
The name =rachis= is given to the axis of the spike, raceme and panicle, whether the axis is the main one or of the branch.
"A Handbook of Some South Indian Grasses" by Rai Bahadur K. Ranga Achariyar
The energy of the earth which is significant in the earth-moon theory is due to the earth's rotation upon its axis.
"Time and Tide" by Robert S. (Robert Stawell) Ball
D. Thyroid axis of the subclavian artery.
"Surgical Anatomy" by Joseph Maclise
A trumpet is loudest in the direction of its axis.
"Fragments of science, V. 1-2" by John Tyndall
Finally in the north-east corner of Kashmir the frontier impinges on the great Central Asian axis of the Kuenlun.
"The Panjab, North-West Frontier Province, and Kashmir" by Sir James McCrone Douie
The earth revolves on its axis from West to East, so do all the rest.
"Aether and Gravitation" by William George Hooper
We got to do our spinning with the shaft lined up with the earth's axis, too.
"Space Platform" by Murray Leinster
Galileo inferred the rotation of the sun on his axis from the motions of those spots.
"Harper's New Monthly Magazine, Vol. 3, July, 1851" by Various
For the rest the Earth turns upon its own axis in twenty-four hours.
"Astronomy for Amateurs" by Camille Flammarion
Since the axis of the earth's rotation is inclined 23 deg.
"The World's Greatest Books - Volume 15 - Science" by Various
The south end of the earth's axis.
"The Sailor's Word-Book" by William Henry Smyth
Any perpendicular to the neutral axis is a scale of chroma.
"A Color Notation" by Albert H. Munsell
I cannot but think he would in some way mark the position of their true polar axis.
"The Contemporary Review, Volume 36, September 1879" by Various
It lies in the form of a trough with its axis running east and west.
"Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 3" by Various
***

In poetry:

More than a catbird hates a cat,
Or a criminal hates a clue,
Or the Axis hates the United States,
That's how much I love you.
"To My Valentine" by Ogden Nash
Stay, then, village, for round you spins
On a slow axis a world as vast
And meaningful as any posed
By great Plato's solitary mind.
"The Village" by R S Thomas
Mighty converters torn from their axis,
Flung to the furnaces, vomiting fire,
Jumbled in white-heaten masses disshapen…
Writhing in flame-tortured levers of iron…
"The Song Of Iron" by Lola Ridge
A rainbow in the high cerulean clime,
With awe-inspiring grandeur stood unfurl'd;
From pole to pole, it spanned this reeling world,
And, on its turning axis, rode sublime.
"The Shower" by George Hannibal Temple
Take then a coil of copper pure,
And fix it on your whirling table;
Place the electrodes firm and sure
As near the axis as you’re able,
And soon you’ll learn the way to work it,
With galvanometer in circuit.
"Answer To Tait" by James Clerk Maxwell

In news:

Earlier this year, the Maui Axis Deer Harvesting Cooperative (MADHC) became an agricultural producer cooperative in the state of Hawai'i.
Axis deer hunter feels unfairly targeted.
Axis Sports Medicine physical therapists focus on relationships.
Easton Axis Full Metal Jacket Arrows.
Easton Axis Full Metal Jacket Arrows - 4.
MAKE's Scott Endres talks about new EP, Axis .
Overpopulation of axis deer on Maui - and what to do about it - presents a crisis in human values.
Anti-American ' Axis of Resistance' shows signs of fraying.
New 6- axis high-speed robots.
Axis M1031-W Network Camera.
The Omax 80X JetMachining center is a bridge-type center with an X-Y cutting travel of 13 ft. Waterjet Features Advanced Software Suite for Six- Axis 3D Machining.
Axis wins Wall Street Journal innovation award.
LUND, Sweden— Axis Communications won a Wall Street Journal award for innovation in the Physical Security category for its Lightfinder technology, which makes it possible for digital cameras to capture detailed images at night.
Vertical Machining Center Offers Affordable High-Performance Three- Axis Milling Capabilities.
Atomic Axis plans to initially hire five employees, Chief Technology Officer Marcus Turner said Tuesday.
***

In science:

The paraxial theory is applicable when the particle moves mainly in the direction of an “axis” and the momentum transverse to the axis remains always small.
Paraxial propagation of a quantum charge in a random magnetic field
This implies that if we delete the twist and the spin fields and thus remove the cut generated by them, the boundary conditions imposed on the positive real axis of the z -plane is expected to be identical to those imposed on the negative real axis.
Worldsheet and Spacetime Properties of p-p' System with B Field and Noncommutative Geometry
Longslit absorption line spectra along the ma jor axis (3.5 hours integration) and the minor axis (4 hours) of NGC 2985 were obtained with the ISIS spectrograph on the William Herschel Telescope in the first week of January 1997.
Disc heating in NGC 2985
Hence we have only half as many data points on the ma jor axis as we have on the minor axis, which looks regular on both sides of the centre.
Disc heating in NGC 2985
Along this axis the observed dispersions are a combination of the tangential and the vertical velocity dispersion components while the minor axis measures the radial and vertical components.
Disc heating in NGC 2985
The axis x is chosen along the direction of electron motion, the axis z is normal to the periodic structure surface.
Influence of guiding magnetic field on emission of stimulated photons in generators utilizing periodic slow-wave structures
Evolution of the metal production rates (left axis) and of the star formation rates (right axis) based on the modelisation of IR counts and z-distributions in Sect 11.1 (case Ωm = 0.3, ΩΛ = 0).
High-Redshift Galaxies: The Far-Infrared and Sub-Millimeter View
Let (x, y, z ) be the coordinates in the planar partition coordinate system (the x-axis through P1, the y -axis through P3 and the z -axis through P5 after pro jection).
Non-intersecting Paths, Random Tilings and Random Matrices
An illustration of a simple walk we consider is given in Fig.1; the discrete time that numbers the steps is measured in the horizontal axis, and the positions of the walker on the line are recorded in the vertical axis.
Enumeration of simple random walks and tridiagonal matrices
Polar cap models, which rely on purely dipolar magnetic fields postulate nearly aligned rotators, where inclination of magnetic axis to spin axis is comparable to the angular extent of the polar cap .
Neutron Stars as Sources of High Energy Particles - the case of RPP
The geometrical interpretation of the function H (α) is the following: the curve H (α) has in α a tangent n(xσn − α) of slope −n = ∂H/∂α which intercepts the horizontal axis at α = xσn and the vertical axis at Xσn = nxσn .
Quenched bond dilution in two-dimensional Potts models
On horizontal axis the number of extra generations Ng, on vertical axis – the mass of the neutral lepton mN .
Extra generations and discrepancies of electroweak precision data
B(r,s) = B(r,s)|(1,1) : The reason for this is that in the lattice model the fields ξ and η control the location of zeros on the real axis in the complex plane of the spectral parameter u whereas only the zeros in the scaling regime, a distance i log N out from the real axis, contribute in the scaling limit N → ∞.
Lattice Approach to Excited TBA Boundary Flows: Tricritical Ising Model
The sample had a finely polished face, a few mm2 in area, with the a-axis perpendicular to the polished face and the c-axis along the vertical field.
Order Parameter Criticality of the d=3 Random-Field Ising Antiferromagnet Fe(0.85)Zn(0.15)F2
On the left axis the luminosity is given in units of the energy emitted at the source, while the right axis gives the flux as received by the detectors.
Observational tests of the Electro-Magnetic Black Hole Theory in Gamma-Ray Bursts
***