Ｙ２Ｋ

noun

Y2K bug; year 2000 problem

Refers specifically to the computer bug expected at the turn of the millennium. Domain-specific computing term.

See also: ２０００年問題

• Ｙ２Ｋ問もん題だいに備そなえて、多おおくの企き業ぎょうがシステムを改かい修しゅうした。

  Many companies updated their systems in preparation for the Y2K problem.

noun

the year 2000; the 2000s

Used to refer to the year 2000 or the early 2000s in a general sense, often in fashion or cultural contexts.

• Ｙ２Ｋファッションが再ふたたび流りゅう行こうしている。

  Y2K fashion is making a comeback.