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Oedema vs Undefined - What's the difference?

oedema | undefined |

As a noun oedema

is (british|pathology) an excessive accumulation of serum in tissue spaces or a body cavity.

As an adjective undefined is

lacking a definition or value.

oedema

English

(wikipedia oedema)

Alternative forms

* edema (US) * (UK)

Noun

(en-noun)
  • (British, pathology) An excessive accumulation of serum in tissue spaces or a body cavity
  • (British) A similar swelling in plants caused by excessive accumulation of water

    • Synonyms

    * dropsy (1) * hydrops

    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