magnetic disk. Thesaurus. Definitions of magnetic disk. 1. n (computer science) a memory device consisting of a flat disk covered with a magnetic coating on which information is stored. a small plastic magnetic disk enclosed in a stiff envelope with a radial slit; used to store data or programs for a microcomputer. a rigid magnetic disk mounted permanently in a drive unit.
1 It is proposed to form a company by the name of the Louisians Settlement Company, for the purpose of purchasing of the United States, the territory of Louisiana, lately ceded by France ... [1803].  Louisiana purchase exposition. Louisiana day - September 14th, 1904.
The Lewis and Clark Expedition to the Louisiana Purchase. Meriwether Lewis and William Clark led a government-sponsored expedition to explore the vast wilderness of the west soon after the signing of the Louisiana Purchase. The team, also known as the Corps of Discovery, left St. Louis, Missouri in 1804 and returned to the same spot in 1806.