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Axis vs Radius - What's the difference?

axis | radius |

In geometry terms the difference between axis and radius

is that axis is an imaginary line around which an object spins (an axis of rotation) or is symmetrically arranged (an axis of symmetry) while radius is the length of this line segment.

In anatomy terms the difference between axis and radius

is that axis is the second cervical vertebra of the spine while radius is the long bone in the forearm, on the side of the thumb.

As a proper noun Axis

is the alliance (in effect before and during World War II) of Germany, Italy, Japan, and several minor allied countries, which opposed the Allies.

axis

English

(wikipedia axis)

Etymology 1

From (etyl) .

Noun

(axes)
  • (geometry) An imaginary line around which an object spins (an axis of rotation) or is symmetrically arranged (an axis of symmetry).
  • * {{quote-magazine, date=2012-03
    • , author=(Henry Petroski) , title=Opening Doors , volume=100, issue=2, page=112-3 , magazine= citation , passage=A doorknob of whatever roundish shape is effectively a continuum of levers, with the axis of the latching mechanism—known as the spindle—being the fulcrum about which the turning takes place.}}
    The Earth rotates once a day on its axis .
  • (mathematics) 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).
  • (anatomy) The second cervical vertebra of the spine.
  • (psychiatry) 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)
    • Synonyms
    * (cervical vertebra) epistropheus
    Coordinate terms
    * (cervical vertebra) atlas
    Derived terms
    (terms derived from axis) * axis of evil * axis of rotation * axis of symmetry * coordinate axis * imaginary axis * major axis * minor axis * real axis * semi-major axis * semi-minor axis * x-axis * y-axis * z-axis
    Related terms
    * axial, axially * axile

    Etymology 2

    From (etyl), name of an Indian animal mentioned by the Roman senator .

    Noun

    (es)
  • Axis axis , a deer native to Asia.
    • Synonyms
    * (Axis axis) chital, cheetal, chital deer, spotted deer, axis deer
    See also
    * (Chital) * (Axis axis) English nouns with irregular plurals ----

    radius

    English

    Noun

    (en-noun)
  • (anatomy) The long bone in the forearm, on the side of the thumb.
  • (zoology) The lighter bone (or fused portion of bone) in the forelimb of an animal.
  • (entomology) One of the major veins of the insect wing, between the subcosta and the media
  • (geometry) A line segment between any point on the circumference of a circle and its center/centre.
  • (geometry) The length of this line segment.

    • Synonyms

    * (vein of insect wing) R

    Related terms

    * radial * radiate, radiation

    See also

    * ulna * semidiameter *

    Anagrams

    * English nouns with irregular plurals ----