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
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
variants
or disci-
or disco-
1
: disk
discoid
2
: phonograph record
discophile
Examples of disc in a Sentence
Recent Examples on the Web
Jibin Joseph, PCMAG, 6 Nov. 2024
The product, which has been approved as a medical device by the FDA, works using a gyroscopic spinning disc on the back of the hand that spins at a five-figure rate of revolution per minute.
—Chris Stokel-Walker, TIME, 30 Oct. 2024
Rather, Danek’s device is a vibrating mesh nebulizer, which uses a circular disc that moves 150,000 times per second to wick pharmaceutical-grade nicotine liquid into an inhalable vapor.
—Danielle Chemtob, Forbes, 25 Oct. 2024
Divide dough in half; press each half into a ½-inch-thick disc.
—Sabrina Weiss, People.com, 22 Oct. 2024
See all Example Sentences for disc 
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Noun
For instance, the Wii supported GameCube discs, but the Wii U could only play Wii discs.
—Jibin Joseph, PCMAG, 6 Nov. 2024
The product, which has been approved as a medical device by the FDA, works using a gyroscopic spinning disc on the back of the hand that spins at a five-figure rate of revolution per minute.
—Chris Stokel-Walker, TIME, 30 Oct. 2024
Rather, Danek’s device is a vibrating mesh nebulizer, which uses a circular disc that moves 150,000 times per second to wick pharmaceutical-grade nicotine liquid into an inhalable vapor.
—Danielle Chemtob, Forbes, 25 Oct. 2024
Divide dough in half; press each half into a ½-inch-thick disc.
—Sabrina Weiss, People.com, 22 Oct. 2024
See all Example Sentences for disc
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Dictionary Entries Near disc
Cite this Entry
“Disc.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/disc. Accessed 30 Nov. 2024.
Copy CitationMedical Definition
disc
noun
variants
or disk
: any of various rounded or flattened anatomical structures: as
a
: a mammalian blood cell
b
c
: intervertebral disc see also slipped disc
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