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Tailplane vs Undefined - What's the difference?

tailplane | undefined |

As a noun tailplane

is a horizontal airfoil, at the rear of an aircraft, to which the elevator is attached; usually associated with the tailfin.

As an adjective undefined is

lacking a definition or value.

tailplane

English

Noun

(en noun)
  • A horizontal airfoil, at the rear of an aircraft, to which the elevator is attached; usually associated with the tailfin

    • Synonyms

    * horizontal stabiliser

    Coordinate terms

    * foreplane, mainplane

    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