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Axis vs Undefined - What's the difference?

axis | undefined |

As a noun axis

is axis (second vertebra).

As an adjective undefined is

lacking a definition or value.

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 ----

    undefined

    English

    Adjective

    (wikipedia undefined) (-)
  • Lacking a definition or value.
  • (mathematics, computing) That does not have a meaning and is thus not assigned an interpretation.
    • The result of division by zero is undefined .

    Antonyms

    * defined