Sealed unit

a hard disk that is permanently sealed to prevent damage to the read/write head See also Winchester disk


Read Also:

  • Sea-legs

    plural noun 1. the ability to adjust one’s sense of balance to the motion of a ship at sea: He stumbled about the deck for three days before getting his sea legs. 2. the ability to remain free of seasickness. 3. surimi. plural noun (informal) 1. the ability to maintain one’s balance on board ship, […]

  • Sealer

    noun 1. an officer appointed to examine and test weights and measures, and to set a stamp upon such as are true to the standard. 2. a substance applied to a porous surface as a basecoat for paint, varnish, etc. noun 1. a person or ship engaged in hunting seals. noun 1. a person or […]

  • Sealery

    noun, plural sealeries. 1. a place where seals are caught. 2. the occupation of hunting or taking seals. noun (pl) -eries 1. the occupation of hunting seals 2. any place where seals are regularly to be found, esp a seal rookery

  • Sea letter

    noun 1. Also called passport. a document issued to a merchant vessel, esp in wartime, authorizing it to leave a port or proceed freely 2. (formerly) a document issued to a vessel in port, describing its cargo, crew, etc

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