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 
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
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
Articles Related to disc
Dictionary Entries Near disc
Cite this Entry
“Disc.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/disc. Accessed 29 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
Love words? Need even more definitions?
Merriam-Webster unabridged
Share