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Hardener vs Undefined - What's the difference?

hardener | undefined |

As a noun hardener

is one who, or that which, hardens.

As an adjective undefined is

lacking a definition or value.

hardener

English

Noun

(en noun)
  • One who, or that which, hardens.
    • the hardener of hearts
  • A chemical substance added to something in order to harden it; used especially with paints, varnishes and resins.

    • 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