American English preferred spelling, 1660s, "round flat surface," from Latin discus "quoit, discus, disk," from Greek diskos "disk, quoit, platter," related to dikein "throw," from PIE *dik-skos-, from root *deik- "to show, pronounce solemnly; also in derivatives referring to the directing of words or objects" [Watkins]; see diction.
Sense of "phonograph disk" is 1888; computing sense is from 1947. Disk jockey first recorded 1941; dee-jay is from 1955; DJ is 1961; video version veejay is 1982. Disk-drive is from 1952.
例文
1. These files have been zipped up to take up less disk space.
これらのドキュメントは、ディスクスペースを節約するために圧縮されています。
2.I can boot up from a flopy disk ,but that 's all.
フロッピーディスク1枚で起動できますが、それ以外はどうすることもできません。/
3.One CD-ROM disk can hold over 100000 pages of text.
1枚の光ディスクに10万ページ以上の文字資料を保存できます。
4.The disk has no viruses-I 've scanned it already.