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Era vs Undefined - What's the difference?

era | undefined |

As a noun era

is era, age.

As an adjective undefined is

lacking a definition or value.

era

English

Alternative forms

* (archaic)

Noun

(en noun)
  • A time period of indeterminate length, generally more than one year.
  • * {{quote-book, year=1963, author=(Margery Allingham), title=(The China Governess)
    • , chapter=6 citation , passage=Even in an era when individuality in dress is a cult, his clothes were noticeable. He was wearing a hard hat of the low round kind favoured by hunting men, and with it a black duffle-coat lined with white.}}
  • * {{quote-magazine, date=2012-01
    • , author=Philip E. Mirowski , title=Harms to Health from the Pursuit of Profits , volume=100, issue=1, page=87 , magazine= citation , passage=In an era when political leaders promise deliverance from decline through America’s purported preeminence in scientific research, the news that science is in deep trouble in the United States has been as unwelcome as a diagnosis of leukemia following the loss of health insurance.}}
  • (geology) A unit of time, smaller than .

    • Synonyms

    * (time period of indeterminate length) age, epoch, period * See also

    Derived terms

    * (geological time unit)

    Coordinate terms

    *

    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