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Precursor vs Undefined - What's the difference?

precursor | undefined |

As a noun precursor

is that which precurses, a forerunner, a predecessor, an indicator of approaching events.

As an adjective undefined is

lacking a definition or value.

precursor

English

Alternative forms

* (chiefly obsolete)

Noun

(en noun)
  • That which precurses, a forerunner, a predecessor, an indicator of approaching events.
  • * {{quote-magazine, year=2013, month=September-October, author= Katie L. Burke
    • , magazine=(American Scientist), title= In the News , passage=Oxygen levels on Earth skyrocketed 2.4 billion years ago, when cyanobacteria evolved photosynthesis:
  • (chemistry) One of the compounds that participates in the chemical reaction that produces another compound.

    • Anagrams

    * ----

    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