any thin, flat, circular plate or object.
any surface that is flat and round, or seemingly so: the disk of the sun.
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.
Botany, Zoology. any of various roundish, flat structures or parts.
Botany. (in the daisy and other composite plants) the central portion of the flower head, composed of tubular florets.
any of the circular steel blades that form the working part of a disk harrow.
Mathematics. the domain bounded by a circle.
- Also disc (for defs. 1, 2, 4-9, 12) .
- disklike, adjective
- disc, disk
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use disk in a sentence
Wrap each disk tightly in plastic wrap and refrigerate for at least 30 minutes and up to 2 days.Decorate this caramel apple pie with festive, buttery pastry cutouts | Erin Jeanne McDowell | November 12, 2020 | Washington Post
This disk has far too little mass to account for the missing baryons, he says.Meet the disk-shaped halo of hot gas you currently live in | Kate Baggaley | October 21, 2020 | Popular-Science
There will come an evening when you’ll plug in that old external disk only to be greeted with an error, missing data, or—worst-case scenario—nothing at all.Did your hard drive crash? Here’s how to know if it’s safe to use again. | Whitson Gordon | October 9, 2020 | Popular-Science
Around all three stars is a broken-apart disk of dust and gas where planets could one day form.A weirdly warped planet-forming disk circles a distant trio of stars | Lisa Grossman | September 3, 2020 | Science News
The findings don’t account for how radiation from other stars in the cluster could erode planet-forming disks, for example, which could have shrunk the sun’s disk or even prevented the solar system from forming.Pinning down the sun’s birthplace just got more complicated | Lisa Grossman | July 20, 2020 | Science News
They were disking and ploughing and sowing, generally driving six horses abreast.Across the Prairie in a Motor Caravan | Frances Halton Eva Hasell
When clovers are sown on sod land for the purpose of renewing pastures, disking them will prepare them for receiving the seed.
The extent of the disking will depend on such conditions as the toughness of the sod and the nature of the soil.
The disking is usually done in the spring and while the frost is out for only a short distance below the surface.
In some instances the disking and sowing are both done by the same implement, which is driven both ways across the field.
British Dictionary definitions for disk
a variant spelling (esp US and Canadian) of disc
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 (def. 9) See also floppy disk
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for disk
: See magnetic disk.
: See optical disk.
The round, flat center, consisting of many disk flowers, found in the inflorescences of many composite plants such as the daisy.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.