y2k problem

millennium bug

Informal.
a bug that can cause computers or software to misinterpret the first two digits of the year 2000 as 19, due to the coding of dates using only the last two digits of the year.
Also called Y2K problem, Y2K bug.


Origin:
1990–95

Dictionary.com Unabridged

Y2K

[wahy-too-key]
noun
1.
the year 2000.
2.
Also called Y2K problem, Y2K bug. millennium bug.

Origin:
1995–2000; Y(ear) + 2 + K symbol for the number 1000

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Collins
World English Dictionary
millennium bug
 
n
computing any software problem arising from the change in date at the start of the 21st century

Y2K
 
n
another name for the year 2000 ad (esp referring to the millennium bug)
 
[C20: y(ear) + 2 + k (in the sense: thousand)]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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American Heritage
Abbreviations & Acronyms
Y2K
(the year) 2000
The American Heritage® Abbreviations Dictionary, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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