disc

1 of 3

noun

variant spelling of disk

1
a
: the seemingly flat figure of a celestial body
the solar disk
b
archaic : discus
2
usually disc : any of various rounded and flattened animal anatomical structures
especially : intervertebral disc see also slipped disc
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 disc: such as
(1)
(2)
: cd
d
usually disc : a rotor in a disc brake
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

disc

2 of 3

abbreviation

disc-

3 of 3

combining form

variants or disci- or disco-
1
: disk
discoid
2
: phonograph record
discophile

Examples of disc in a Sentence

Recent Examples on the Web
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Noun
The archaeologists are supported by on-site conservators currently restoring wall mosaics, paintings, and a rare double-disc sundial originally discovered by the team in 2010. Maria Mocerino, Interesting Engineering, 14 Mar. 2026 An epoxy compound is concocted to replace discs between vertebrae and other cartilaginous elements, so the animal returns to its original dimensions and structure. Jeff Wilson, Outdoor Life, 11 Mar. 2026 And in a game where steel blades, hard sticks, solid ice, boards, glass and a rubber disc flying at 100 miles per hour are all part of the equation, that depth can and will surely be tested as March turns to May for a team with designs on a deep run. Jess Myers, Twin Cities, 10 Mar. 2026 After my adjustments, the Max offered excellent image quality across the board, and only minor differences between SDR and HDR versions of the same scenes on disc. M. David Stone, PC Magazine, 10 Mar. 2026 See All Example Sentences for disc

Word History

Etymology

Combining form

Latin, from Greek disk-, disko-, from diskos

Browse Nearby Words

Cite this Entry

“Disc.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/disc. Accessed 16 Mar. 2026.

Kids Definition

disc

variant of disk

Medical Definition

disc

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

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