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

Spina Bifida :: Spin (n.) Velocity of rotation about some specified axis.
Pivot :: Pivot (n.) A fixed pin or short axis, on the end of which a wheel or other body turns..
Homotaxy :: Homotaxy (n.) Same as Homotaxis.
Moment :: Moment (n.) Tendency, or measure of tendency, to produce motion, esp. motion about a fixed point or axis..
Band :: Band (v. t.) A stripe, streak, or other mark transverse to the axis of the body..
Rhizotaxis :: Rhizotaxis (n.) The arrangement of the roots of plants.
Elevation :: Elevation (n.) The movement of the axis of a piece in a vertical plane; also, the angle of elevation, that is, the angle between the axis of the piece and the line o/ sight; -- distinguished from direction..
Centrum :: Centrum (n.) The body, or axis, of a vertebra. See Vertebra..
Fly :: Fly (v. i.) Two or more vanes set on a revolving axis, to act as a fanner, or to equalize or impede the motion of machinery by the resistance of the air, as in the striking part of a clock..
Ginglymodi :: Ginglymodi (n.) An order of ganoid fishes, including the modern gar pikes and many allied fossil forms. They have rhombic, ganoid scales, a heterocercal tail, paired fins without an axis, fulcra on the fins, and a bony skeleton, with the vertebrae convex in front and concave behind, forming a ball and socket joint. See Ganoidel..
Prism :: Prism (n.) A form the planes of which are parallel to the vertical axis. See Form, n., 13..
Columella :: Columella (n.) The upright pillar in the axis of most univalve shells.
Spindle :: Spindle (n.) A slender rod or pin on which anything turns; an axis; as, the spindle of a vane..
Virgularian :: Virgularian (n.) Any one of numerous species of long, slender Alcyonaria belonging to Virgularia and allied genera of the family Virgularidae. These corals are allied to the sea-pens, but have a long rodlike rhachis inclosing a slender, round or square, calcareous axis. The polyps are arranged in transverse rows or clusters along each side of the rhachis..
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..
Semicolumn :: Semicolumn (n.) A half column; a column bisected longitudinally, or along its axis..
Revolve :: Revolve (v. i.) To turn or roll round on, or as on, an axis, like a wheel; to rotate, -- which is the more specific word in this sense..
Homotaxic :: Homotaxic (a.) Relating to homotaxis.
Orientation :: Orientation (n.) The tendency of a revolving body, when suspended in a certain way, to bring the axis of rotation into parallelism with the earth's axis..
Axially :: Axially (adv.) In relation to, or in a line with, an axis; in the axial (magnetic) line..
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