HDD

== English == === Pronunciation === IPA(key): /ˈeɪt͡ʃˌdiːˌdiː/ === Noun === HDD (plural HDDs) (computing) Initialism of hard disk drive. (heating) Initialism of heating degree day. === References === HDD on Wikipedia.Wikipedia === Anagrams === DHD == Japanese == === Etymology === Borrowed from English HDD. === Pronunciation === IPA(key): [e̞ːt͡ɕidʲiːdʲiː] === Noun === HDD(エイチディーディー) • (eichi-dī-dī) (computing) initialism of ハードディスクドライブ