millennium bug

English

electronic sign reading January 1900 instead of January 2000

Proper noun

millennium bug

1. (computing) A design flaw in computer systems that represented years as two digits (e.g. 84 for 1984), which could cause date calculations to fail if they involved years later than 1999.
   • 2018 June 7, Lizzy Buchan, “Boris Johnson says Trump could handle Brexit better and warns of ’meltdown’ in explosive leaked recording”, in The Independent‎^[1], London: Independent News & Media, →ISSN, →OCLC, archived from the original on 2018-06-07:

     Mr Johnson also said the Northern Irish border row had been blown out of proportion and compared fears over disruption over vital goods coming into the UK to "pure millennium bug stuff".

Synonyms

• Y2K bug
• year 2000 problem

Translations

a design flaw in computer systems which which could cause date calculations to fail after 1999

• Chinese:

  Mandarin: 千せん年ねん蟲ちゅう／千せん年ねん虫ちゅう (qiānniánchóng)

• Dutch: millenniumbug (nl) m
• Greek: έντομο της Χιλιετηρίδας (éntomo tis Chilietirídas)
• Japanese: 2000年ねん問題もんだい (ja)
• Portuguese: bug do milénio m (Portugal), bug do milênio m (Brazil)

See also

• Appendix:American Dialect Society words of the year