What's the difference between
and
Enter two words to compare and contrast their definitions, origins, and synonyms to better understand how those words are related.

Airspace vs Undefined - What's the difference?

airspace | undefined |

As a noun airspace

is (politics|aviation) a specified portion of the atmosphere, especially that under the technical aviation control and/or jurisdiction of a particular state over which territory (and territorial waters) it lies.

As an adjective undefined is

lacking a definition or value.

airspace

English

(wikipedia airspace)

Alternative forms

* air space

Noun

  • (politics, aviation) A specified portion of the atmosphere, especially that under the technical aviation control and/or jurisdiction of a particular state over which territory (and territorial waters) it lies.
    • ''Various European countries transferred the aviation control of their adjoining airspace to Eurocontrol, while each retaining legal jurisdiction
  • (aviation) A designated part of the sky for aircraft use.
  • (broadcasting) Space (i.e. a few neighboring frequencies) available for broadcasting within a particular frequency band.
    • The legalisation of free radios caused a bitter fight for airspace .
  • The portion of an enclosed area which contains air, especially breathable air.
  • (construction) The cavity in a cavity wall containing air for insulation.

    • Derived terms

    * dead-air space

    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