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Indigo vs Undefined - What's the difference?

indigo | undefined |

As a noun indigo

is anil, indigo (plant).

As an adjective undefined is

lacking a definition or value.

indigo

English

(wikipedia indigo)

Noun

  • A purplish-blue colour
  • * {{quote-book, year=1907, author=
    • , title=The Dust of Conflict , chapter=6 citation , passage=The night was considerably clearer than anybody on board her desired when the schooner Ventura headed for the land. It rose in places, black and sharp against the velvety indigo , over her dipping bow, though most of the low littoral was wrapped in obscurity.}}
  • An indigo-colored dye obtained from certain plants (the or woad), or a similar synthetic dye.
  • An indigo plant, such as from species in genera Indigofera'', ''Amorpha'' ( and ''Dalea (indigo bush).

    • Derived terms

    * (Viduidae family) * indigo blue * indigo bunting * indigo snake * indium * , Amorpha spp. ) * ) * wild indigo ()

    Related terms

    * indican * indicolite * indium * indoxyl * induline

    Adjective

    (head)
  • Having a deep blue colour.

    • See also

    * anil * aniline * * rainbow * Saxon blue *

    References

    ----

    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