Axle vs. Axis - What's the difference?

Wikipedia

  • Axle

    An axle is a central shaft for a rotating wheel or gear. On wheeled vehicles, the axle may be fixed to the wheels, rotating with them, or fixed to the vehicle, with the wheels rotating around the axle. In the former case, bearings or bushings are provided at the mounting points where the axle is supported. In the latter case, a bearing or bushing sits inside a central hole in the wheel to allow the wheel or gear to rotate around the axle. Sometimes, especially on bicycles, the latter type axle is referred to as a spindle.

Wiktionary

  • Axle (noun)

    Shoulder.

  • Axle (noun)

    The pin or spindle on which a wheel revolves, or which revolves with a wheel.

  • Axle (noun)

    A transverse bar or shaft connecting the opposite wheels of a car or carriage; an axletree.

  • Axle (noun)

    An axis; as, the Sun’s axle.

  • Axis (noun)

    An imaginary line around which an object spins (an axis of rotation) or is symmetrically arranged (an axis of symmetry).

    "The Earth rotates once a day on its axis"

  • Axis (noun)

    A fixed one-dimensional figure, such as a line or arc, with an origin and orientation and such that its points are in one-to-one correspondence with a set of numbers; an axis forms part of the basis of a space or is used to position and locate data in a graph (a coordinate axis)

  • Axis (noun)

    The second cervical vertebra of the spine

    "epistropheus"

  • Axis (noun)

    A form of classification and descriptions of mental disorders or disabilities used in manuals such as the DSM (Diagnostic and Statistical Manual of Mental Disorders)

  • Axis (noun)

    The main stem or central part about which organs or plant parts such as branches are arranged

  • Axis (noun)

    Axis axis, a deer native to Asia.

    "chital|cheetal|chital deer|spotted deer|axis deer"

Webster Dictionary

  • Axle (noun)

    The pin or spindle on which a wheel revolves, or which revolves with a wheel.

  • Axle (noun)

    A transverse bar or shaft connecting the opposite wheels of a car or carriage; an axletree.

  • Axle (noun)

    An axis; as, the sun's axle.

  • Axis (noun)

    The spotted deer (Cervus axis or Axis maculata) of India, where it is called hog deer and parrah (Moorish name).

  • Axis (noun)

    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 (noun)

    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.

  • Axis (noun)

    The stem; the central part, or longitudinal support, on which organs or parts are arranged; the central line of any body.

  • Axis (noun)

    The second vertebra of the neck, or vertebra dentata.

  • Axis (noun)

    One of several imaginary lines, assumed in describing the position of the planes by which a crystal is bounded.

  • Axis (noun)

    The primary or secondary central line of any design.

Princeton's WordNet

  • Axle (noun)

    a shaft on which a wheel rotates

  • Axis (noun)

    a straight line through a body or figure that satisfies certain conditions

  • Axis (noun)

    the center around which something rotates

  • Axis (noun)

    the main stem or central part about which plant organs or plant parts such as branches are arranged

  • Axis (noun)

    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"

  • Axis (noun)

    a group of countries in special alliance

  • Axis (noun)

    the 2nd cervical vertebra; serves as a pivot for turning the head

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