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Effusion vs Undefined - What's the difference?

effusion | undefined |

As a noun effusion

is a liquid outpouring.

As an adjective undefined is

lacking a definition or value.

effusion

English

Noun

(en noun)
  • a liquid outpouring.
  • (by extension) a speech or emotion outpouring.
  • * 1930; , (Morrie Ryskind), (Bert Kalmar), (Harry Ruby); (Animal Crackers) , (Paramount Pictures)
    • Captain Spaulding: My friends, I am highly gratified by this magnificent display of effusion ...
  • (medicine) the seeping of fluid into a body cavity; the fluid itself

    • 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