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Horizontal vs Undefined - What's the difference?

horizontal | undefined |

As adjectives the difference between horizontal and undefined

is that horizontal is perpendicular to the vertical; parallel to the plane of the horizon; level, flat while undefined is lacking a definition or value.

As a noun horizontal

is a horizontal component of a structure.

horizontal

English

Adjective

(en adjective)
  • perpendicular to the vertical; parallel to the plane of the horizon; level, flat.
  • (marketing) Relating to horizontal markets.
  • (archaic) Pertaining to the horizon.
  • * 1667': As when the Sun new ris'n / Looks through the '''Horizontal misty Air — John Milton, ''Paradise Lost , Book 1, ll. 594-5

    • Antonyms

    * vertical

    Derived terms

    * horizontally

    Noun

    (en noun)
  • A horizontal component of a structure.
  • (geology) horizon

    • 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