disk

noun, often attributive
\ ˈdisk How to pronounce disk (audio) \
variants: or

Definition of disk

 (Entry 1 of 2)

1a : the seemingly flat figure of a celestial body the solar disk
b archaic : discus
2 : any of various rounded and flattened animal anatomical structures especially : intervertebral disk — compare slipped disk
3 : the central part of the flower head of a typical composite made up of closely packed tubular flowers
4 : a thin circular object: such as
a usually disc : a phonograph record
b : a round flat plate coated with a magnetic substance on which data for a computer is stored
c usually disc : optical disk: such as
(1) : videodisc
(2) : cd
5 usually disc : one of the concave circular steel tools with sharpened edge making up the working part of a disc harrow or plow also : an implement employing such tools

disk

verb
variants: or disc
disked or disced; disking or discing; disks or discs

Definition of disk (Entry 2 of 2)

transitive verb

: to cultivate with an implement (such as a harrow or plow) that turns and loosens the soil with a series of discs

Illustration of disk

Illustration of disk

Noun

disk 3 D

In the meaning defined above

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Other Words from disk

Noun

disklike \ ˈdisk-​ˌlīk How to pronounce disklike (audio) \ adjective

Examples of disk in a Sentence

Recent Examples on the Web: Noun The disks are getting pulled into the neutron star's gravity, which the magnetic columns will repel. David Grossman, Popular Mechanics, "NASA Stumped by Weird Green Blobs," 6 Sep. 2019 By observing the disk through blocking out starlight, researchers were able to better study processes happening close to the black hole’s edge. Fox News, "NASA’s Hubble telescope detects supermassive black hole that defies theoretical models," 12 July 2019 Cover the dough disk with the plastic wrap and roll to ¼ thickness. Genevieve Ko, latimes.com, "Blueberry pie bars," 25 June 2019 Because the disk is spinning so quickly from left to right, the Doppler effect comes into play as well. Nathaniel Scharping, Discover Magazine, "Drawing the Invisible: The Many Ways Artists Have Imagined Black Holes," 9 Apr. 2019 Like solar systems that take shape from disks of gas around stars, galaxies are subject to similar physical phenomena but at much larger scales. Wired, "Space Photos of the Week: Hurricane Dorian and Other Spirals," 7 Sep. 2019 The gravity of the black hole rips the star to pieces, creating a disk of debris. Jason Daley, Smithsonian, "Astronomers Puzzle Over Short-Lived Glowing Green Light Bursts," 6 Sep. 2019 The planet probably got its start like any other—from a disk of space crud orbiting a star. Scientific American, "Test Pilot Geese, Planetary Wrecking Balls and Super AI Vision: The Week’s Best Science GIFs," 6 Sep. 2019 To avoid being dazzled by the bright disk of Earth, the telescope would need a mask, known as a coronagraph, to block it out. Daniel Clery, Science | AAAS, "Space telescope would turn Earth into a giant magnifying lens," 6 Aug. 2019 Recent Examples on the Web: Verb Size: Disk up to 0.7 inch (1.7 centimeters) wide; stalk up to 0.3 inch (0.8 centimeter) tall IUCN Red List Status: National Geographic, "8 Real-Life ‘Fantastic Beasts’ and Where to Find Them," 18 Nov. 2016

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'disk.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of disk

Noun

1664, in the meaning defined at sense 1a

Verb

circa 1884, in the meaning defined above

History and Etymology for disk

Noun

Latin discus — more at dish

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Statistics for disk

Last Updated

27 Oct 2019

Time Traveler for disk

The first known use of disk was in 1664

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More Definitions for disk

disk

noun
variants: or disc \ ˈdisk \

Kids Definition of disk

1 : something that is or appears to be flat and round
2 usually disc : cd
3 : a round, thin, flat plate coated with a magnetic substance on which data for a computer is stored
4 usually disc : a phonograph record

Other Words from disk

disklike \ -​ˌlīk \ adjective

disk

noun
variants: or disc \ ˈdisk How to pronounce disc (audio) \

Medical Definition of disk

: any of various rounded or flattened anatomical structures: as
a : a mammalian blood cell

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More from Merriam-Webster on disk

Rhyming Dictionary: Words that rhyme with disk

Spanish Central: Translation of disk

Nglish: Translation of disk for Spanish Speakers

Britannica English: Translation of disk for Arabic Speakers

Comments on disk

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