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

That's big enough to draw in gas quickly and start a runaway process by which the ever-increasing mass pulls in more material from farther away in the disk. John Timmer, Ars Technica, "Jupiter may have had a head-on collision with a massive protoplanet," 14 Aug. 2019 That archive contains Isaac Asimov’s Foundation trilogy, which is inscribed in a quartz disk using an experimental 5D optical technology developed by physicists at the University of Southampton. Daniel Oberhaus, WIRED, "A Crashed Israeli Lunar Lander Spilled Tardigrades on the Moon," 5 Aug. 2019 At The Cultured Cup, Stewart carries a 2003 sheng pu'er in a disk about the size of a dinner plate. Erin Booke, Dallas News, "How Dallas is dipping into the world of dark, funky, fermented teas," 26 July 2019 The pizza would be the Milky Way disk; the air and dust inside the balloon would be the stars in the halo. Nadia Drake, National Geographic, "Found: Oldest known stars in our galaxy," 22 July 2019 Around the star, there's a large disk made of gas and dust. Ashley Strickland, CNN, "Astronomers make the first observations of a 'moon-forming' disk around a distant planet," 12 July 2019 Finding a quadruple star system is pretty weird by itself, but what truly makes this system weird is the protoplanetary disk. Avery Thompson, Popular Mechanics, "Astronomers Discover Bizarre Quadruple Star System," 15 Jan. 2019 The first discovery came last June, when a team of astronomers published an image of a planet orbiting inside the disk around PDS 70, a young star roughly 5 million years old (our own sun is roughly 1,000 times older). Quanta Magazine, "A Close Look at Newborn Planets Reveals Hints of Infant Moons," 27 Aug. 2019 As the second day of school let out at San Mateo High, administrators stood in the rotunda, waving plate-sized silver disks that students tapped with green-and-gray pouches. Erin Woo, The Mercury News, "Sick of distracted students? Some schools have started locking up their phones," 19 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

15 Sep 2019

Look-up Popularity

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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