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Directivity vs Undefined - What's the difference?

directivity | undefined |

As a noun directivity

is (geology) the effect of earthquake motion propagation being greater in the direction of the rupture.

As an adjective undefined is

lacking a definition or value.

directivity

English

Noun

(directivities)
  • (geology) The effect of earthquake motion propagation being greater in the direction of the rupture

    • 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