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Rectangle vs Undefined - What's the difference?

rectangle | undefined |

As a noun rectangle

is (geometry) a quadrilateral having opposing sides parallel and four right angles.

As an adjective undefined is

lacking a definition or value.

rectangle

English

(wikipedia rectangle)

Noun

(en noun)
  • (geometry) A quadrilateral having opposing sides parallel and four right angles.

    • Synonyms

    * (quadrilateral) oblong (not in technical use)

    Hyponyms

    * (quadrilateral) square

    Related terms

    * rectangular * rectilinear * rectification * rectify

    External links

    * * * ----

    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