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Lightening vs Undefined - What's the difference?

lightening | undefined |

As a verb lightening

is .

As a noun lightening

is (medicine) the sensation caused by the descent of the uterus into the pelvic cavity before the onset of labour.

As an adjective undefined is

lacking a definition or value.

lightening

English

Verb

(head)

    • Noun

    (en noun)
  • (medicine) The sensation caused by the descent of the uterus into the pelvic cavity before the onset of labour
  • (nautical) The removal of cargo (especially crude oil) from a vessel in order to reduce its draft

    • 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