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axiology | axiom | axiomatic | axiomatical | axiomatically | axis | axis of rotation | axis vertebra | axle | axle bar | axle box

axis

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 : 
Noun
 : 
ax=is

CIDE DICTIONARY

axisn. [L.].
     The spotted deer (Cervus axis or Axis maculata) of India, where it is called hog deer and parrah (Moorish name).  [1913 Webster]
axisn. [L. axis axis, axle. See Axle.].
  •  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.  [1913 Webster]
  •  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.  [1913 Webster]
  •  The stem; the central part, or longitudinal support, on which organs or parts are arranged; the central line of any body.  Gray.  [1913 Webster]
  •  The second vertebra of the neck, or vertebra dentata.  [1913 Webster]
  •  One of several imaginary lines, assumed in describing the position of the planes by which a crystal is bounded.  [1913 Webster]
  •  The primary or secondary central line of any design.  [1913 Webster]
Anticlinal axis (Geol.), a line or ridge from which the strata slope downward on the two opposite sides. -- Synclinal axis, a line from which the strata slope upward in opposite directions, so as to form a valley. -- Axis cylinder (Anat.), the neuraxis or essential, central substance of a nerve fiber; -- called also axis band, axial fiber, and cylinder axis. -- Axis in peritrochio, the wheel and axle, one of the mechanical powers. -- Axis of a curve (Geom.), a straight line which bisects a system of parallel chords of a curve; called a principal axis, when cutting them at right angles, in which case it divides the curve into two symmetrical portions, as in the parabola, which has one such axis, the ellipse, which has two, or the circle, which has an infinite number. The two axes of the ellipse are the major axis and the minor axis, and the two axes of the hyperbola are the transverse axis and the conjugate axis. -- Axis of a lens, the straight line passing through its center and perpendicular to its surfaces. -- Axis of a microscope or Axis of a telescope, the straight line with which coincide the axes of the several lenses which compose it. -- Axes of coördinates in a plane, two straight lines intersecting each other, to which points are referred for the purpose of determining their relative position: they are either rectangular or oblique. -- Axes of coördinates in space, the three straight lines in which the coördinate planes intersect each other. -- Axis of a balance, that line about which it turns. -- Axis of oscillation, of a pendulum, a right line passing through the center about which it vibrates, and perpendicular to the plane of vibration. -- Axis of polarization, the central line around which the prismatic rings or curves are arranged. Brewster. -- Axis of revolution (Descriptive Geom.), a straight line about which some line or plane is revolved, so that the several points of the line or plane shall describe circles with their centers in the fixed line, and their planes perpendicular to it, the line describing a surface of revolution, and the plane a solid of revolution. -- Axis of symmetry (Geom.), any line in a plane figure which divides the figure into two such parts that one part, when folded over along the axis, shall coincide with the other part. -- Axis of the equator, ecliptic, horizon (or other circle considered with reference to the sphere on which it lies), the diameter of the sphere which is perpendicular to the plane of the circle. Hutton. -- Axis of the Ionic capital (Arch.), a line passing perpendicularly through the middle of the eye of the volute. -- Neutral axis (Mech.), the line of demarcation between the horizontal elastic forces of tension and compression, exerted by the fibers in any cross section of a girder. -- Optic axis of a crystal, the direction in which a ray of transmitted light suffers no double refraction. All crystals, not of the isometric system, are either uniaxial or biaxial. -- Optic axis, Visual axis (Opt.), the straight line passing through the center of the pupil, and perpendicular to the surface of the eye. -- Radical axis of two circles (Geom.), the straight line perpendicular to the line joining their centers and such that the tangents from any point of it to the two circles shall be equal to each other. -- Spiral axis (Arch.), the axis of a twisted column drawn spirally in order to trace the circumvolutions without. -- Axis of abscissas and Axis of ordinates. See Abscissa.

OXFORD DICTIONARY

axis, n. (pl. axes)
1 a an imaginary line about which a body rotates or about which a plane figure is conceived as generating a solid. b a line which divides a regular figure symmetrically.
2 Math. a fixed reference line for the measurement of coordinates etc.
3 Bot. the central column of an inflorescence or other growth.
4 Anat. the second cervical vertebra.
5 Physiol. the central part of an organ or organism.
6 a an agreement or alliance between two or more countries forming a centre for an eventual larger grouping of nations sharing an ideal or objective. b (the Axis) the alliance of Germany and Italy formed before and during the war of 1939-45, later extended to include Japan and other countries; these countries as a group.

axis, n. a white spotted deer, Cervus axis, of S. Asia. Also called CHITAL.

Etymology
L

THESAURUS

axis

Bund, Rochdale cooperative, air line, alliance, anthrophore, arbor, assemblage, association, axle, axle bar, axle shaft, axle spindle, axle-tree, band, bearing, beeline, bloc, body, bole, cane, carpophore, caudex, caulicle, caulis, center, center of action, center of gravity, centroid, centrum, chord, coalition, college, combination, combine, common market, confederacy, confederation, consumer cooperative, cooperative, cooperative society, core, corps, council, credit union, culm, customs union, dead center, diagonal, diameter, direct line, directrix, distaff, economic community, edge, epicenter, federation, footstalk, free trade area, fulcrum, funicule, funiculus, gang, gimbal, great-circle course, group, grouping, gudgeon, haulm, heart, hinge, hingle, horizontal axis, hub, kernel, leafstalk, league, machine, mandrel, marrow, medulla, metacenter, middle, mob, nave, navel, normal, nub, nucleus, oarlock, omphalos, partnership, pedicel, peduncle, perpendicular, petiole, petiolule, petiolus, pin, pintle, pith, pivot, pole, political machine, radiant, radius, radius vector, reed, rest, resting point, right line, ring, rowlock, secant, seedstalk, segment, shortcut, side, society, spear, spindle, spire, stalk, stem, stipe, stock, storm center, straight, straight course, straight line, straight stretch, straightaway, straw, streamline, swivel, tangent, thole, tholepin, tigella, transversal, trunk, trunnion, umbilicus, union, vector, yaw

ROGET THESAURUS

axis

Support

N support, ground, foundation, base, basis, terra firma, bearing, fulcrum, bait, caudex crib, point d'appui, pou sto, purchase footing, hold, locus standi, landing place, landing stage, stage, platform, block, rest, resting place, groundwork, substratum, riprap, sustentation, subvention, floor, supporter, aid, prop, stand, anvil, fulciment, cue rest, jigger, monkey, stay, shore, skid, rib, truss, bandage, sleeper, stirrup, stilts, shoe, sole, heel, splint, lap, bar, rod, boom, sprit, outrigger, ratlings, staff, stick, crutch, alpenstock, baton, staddle, bourdon, cowlstaff, lathi, mahlstick, post, pillar, shaft, thill, column, pilaster, pediment, pedicle, pedestal, plinth, shank, leg, socle, zocle, buttress, jamb, mullion, abutment, baluster, banister, stanchion, balustrade, headstone, upright, door post, jamb, door jamb, frame, framework, scaffold, skeleton, beam, rafter, girder, lintel, joist, travis, trave, corner stone, summer, transom, rung, round, step, sill, angle rafter, hip rafter, cantilever, modillion, crown post, king post, vertebra, columella, backbone, keystone, axle, axletree, axis, arch, mainstay, trunnion, pivot, rowlock, peg, tiebeam, thole pin, board, ledge, shelf, hob, bracket, trevet, trivet, arbor, rack, mantel, mantle piece, mantleshelf, slab, console, counter, dresser, flange, corbel, table, trestle, shoulder, perch, horse, easel, desk, clotheshorse, hatrack, retable, teapoy, seat, throne, dais, divan, musnud, chair, bench, form, stool, sofa, settee, stall, arm chair, easy chair, elbow chair, rocking chair, couch, fauteuil, woolsack, ottoman, settle, squab, bench, aparejo, faldstool, horn, long chair, long sleeve chair, morris chair, lamba chauki, lamba kursi, saddle, pannel, pillion, side saddle, pack saddle, pommel, bed, berth, pallet, tester, crib, cot, hammock, shakedown, trucklebed, cradle, litter, stretcher, bedstead, four poster, French bed, bunk, kip, palang, bedding, bichhona, mattress, paillasse, pillow, bolster, mat, rug, cushion, footstool, hassock, tabouret, tripod, monopod, Atlas, Persides, Atlantes, Caryatides, Hercules, supporting, supported, fundamental, dorsigerous, astride on, straddle.

Rotation

N rotation, revolution, spinning, gyration, turning about an axis, turning aound an axis, circulation, roll, circumrotation, circumvolution, circumgyration, volutation, circination, turbination, pirouette, convolution, verticity, whir, whirl, eddy, vortex, whirlpool, gurge, countercurrent, Maelstrom, Charybdis, Ixion, cyclone, tornado, whirlwind, dust devil, spin-out, axis, axis of rotation, swivel, pivot, pivot point, axle, spindle, pin, hinge, pole, arbor, bobbin, mandrel, axle shaft, gymbal, hub, hub of rotation, helix, helical motion, angular momentum, angular velocity, revolutions per minute, RPM, centrifugal force, surge, vertigo, dizzy round, coriolus force, carousel, merry-go-round, Ferris wheel, top, dreidel, teetotum, gyroscope, turntable, lazy suzan, screw, whirligig, rollingstone, water wheel, windmill, wheel, pulley wheel, roulette wheel, potter's wheel, pinwheel, gear, roller, flywheel, jack, caster, centrifuge, ultracentrifuge, bench centrifuge, refrigerated centrifuge, gas centrifuge, microfuge, drill, augur, oil rig, wagon wheel, wheel, tire, tyre, trochilics, whirling dervish, rotating, rotary, rotary, circumrotatory, trochilic, vertiginous, gyratory, vortical, vorticose, head over heels, round and round, like a horse in a mill.


For further exploring for "axis" in Webster Dictionary Online


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