ＭＤ

noun

minidisc; MD

Refers to the MiniDisc format, a magneto-optical disc-based data storage device for audio and data, popular in the 1990s and early 2000s.

See also: ミニディスク

• 昔むかしはＭＤに音おん楽がくを録ろく音おんしていた。

  I used to record music onto MDs.

noun

missile defense; MD

Military and political term for systems designed to intercept and destroy incoming missiles.

• その国くにはＭＤシステムの開かい発はつを進すすめている。

  That country is advancing the development of an MD system.

noun

magnetic disk; MD

Technical term for a magnetic disk storage medium; less common than other MD meanings.

• この装そう置ちはＭＤを読よみ取とることができる。

  This device can read magnetic disks.

noun

merchandising

Business term for the activity of promoting the sale of goods, especially by their presentation in retail outlets. Abbreviation of マーチャンダイジング.

See also: マーチャンダイジング

• 彼かれはＭＤの仕し事ごとに就ついている。

  He works in merchandising.