disk
Americannoun
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any thin, flat, circular plate or object.
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any surface that is flat and round, or seemingly so.
the disk of the sun.
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disc.
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Computers. any of several types of media consisting of thin, round plates of plastic or metal, used for external storage.
magnetic disk;
hard disk;
optical disk.
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Botany, Zoology. any of various roundish, flat structures or parts.
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Botany. (in the daisy and other composite plants) the central portion of the flower head, composed of tubular florets.
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any of the circular steel blades that form the working part of a disk harrow.
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Mathematics. the domain bounded by a circle.
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Archaic. discus.
verb (used with object)
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Informal. disc.
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to cultivate (soil) with a disk harrow.
noun
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a variant spelling (esp US and Canadian) of disc
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Also called: magnetic disk. hard disk. computing a direct-access storage device consisting of a stack of plates coated with a magnetic layer, the whole assembly rotating rapidly as a single unit. Each surface has a read-write head that can move radially to read or write data on concentric tracks Compare drum 1 See also floppy disk
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See magnetic disk
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See optical disk
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The round, flat center, consisting of many disk flowers, found in the inflorescences of many composite plants such as the daisy.
Other Word Forms
- disklike adjective
Etymology
Origin of disk
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The galaxy itself has a fairly typical disk shape.
From Science Daily
For the second time that day I felt Regan’s shoulder pressed against mine as we stepped up onto the thick metal disk.
From Literature
Their forms match the aerodynamic shapes typical of tektites, including spheres, ellipsoids, droplets, disks, dumbbells, and twisted shapes.
From Science Daily
Such conditions are common in protoplanetary disks, the rotating clouds of gas and dust that surround young stars and eventually give rise to planets.
From Science Daily
When viewed from above or below the galaxy's disk, this alignment creates the appearance of a bright line cutting through the middle.
From Science Daily
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
