Definition of axis

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Axis (n.) 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..

Lern More About Axis

Conoid :: Conoid (n.) A solid formed by the revolution of a conic section about its axis; as, a parabolic conoid, elliptic conoid, etc.; -- more commonly called paraboloid, ellipsoid, etc..
Corymb :: Corymb (n.) A flat-topped or convex cluster of flowers, each on its own footstalk, and arising from different points of a common axis, the outermost blossoms expanding first, as in the hawthorn..
Adduction :: Adduction (n.) The action by which the parts of the body are drawn towards its axis]; -- opposed to abduction.
Preaxial :: Preaxial (a.) Situated in front of any transverse axis in the body of an animal; anterior; cephalic; esp., in front, or on the anterior, or cephalic (that is, radial or tibial) side of the axis of a limb..
Swash :: Swash (v. t.) An oval figure, whose moldings are oblique to the axis of the work..
Y :: Y (n.) One of the forked holders for supporting the telescope of a leveling instrument, or the axis of a theodolite; a wye..
Trochoid :: Trochoid (a.) Admitting of rotation on an axis; -- sometimes applied to a pivot joint like that between the atlas and axis in the vertebral column.
Core :: Core (n.) The bony process which forms the central axis of the horns in many animals.
Septifragal :: Septifragal (a.) Breaking from the partitions; -- said of a method of dehiscence in which the valves of a pod break away from the partitions, and these remain attached to the common axis..
Torsional :: Torsional (a.) Of or pertaining to torsion; resulting from torsion, or the force with which a thread or wire returns to a state of rest after having been twisted round its axis; as, torsional force..
Praxis :: Praxis (n.) An example or form of exercise, or a collection of such examples, for practice..
Oblongum :: Oblongum (n.) A prolate spheroid; a figure described by the revolution of an ellipse about its greater axis. Cf. Oblatum, and see Ellipsoid of revolution, under Ellipsoid..
Rhachilla :: Rhachilla (n.) A branch of inflorescence; the zigzag axis on which the florets are arranged in the spikelets of grasses.
Inflexed :: Inflexed (a.) Bent or turned abruptly inwards, or toward the axis, as the petals of a flower..
Monoclinic :: Monoclinic (a.) Having one oblique intersection; -- said of that system of crystallization in which the vertical axis is inclined to one, but at right angles to the other, lateral axis. See Crystallization..
Gimbals :: Gimbals (n.) A contrivance for permitting a body to incline freely in all directions, or for suspending anything, as a barometer, ship's compass, chronometer, etc., so that it will remain plumb, or level, when its support is tipped, as by the rolling of a ship. It consists of a ring in which the body can turn on an axis through a diameter of the ring, while the ring itself is so pivoted to its support that it can turn about a diameter at right angles to the first..
Wheel :: Wheel (n.) A circular frame turning about an axis; a rotating disk, whether solid, or a frame composed of an outer rim, spokes or radii, and a central hub or nave, in which is inserted the axle, -- used for supporting and conveying vehicles, in machinery, and for various purposes; as, the wheel of a wagon, of a locomotive, of a mill, of a watch, etc..
Tangent :: Tangent (v. t.) A tangent line curve, or surface; specifically, that portion of the straight line tangent to a curve that is between the point of tangency and a given line, the given line being, for example, the axis of abscissas, or a radius of a circle produced. See Trigonometrical function, under Function..
Point-blank :: Point-blank (n.) With artillery, the point where the projectile first strikes the horizontal plane on which the gun stands, the axis of the piece being horizontal..
Praxis :: Praxis (n.) Use; practice; especially, exercise or discipline for a specific purpose or object..
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