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 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

disc

2 of 3

abbreviation

discount

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

Noun

From this state’s vantage point, the moon and sun won’t be exactly aligned, and only a portion of the sun’s disc is blocked, according to the Griffith Observatory. —Karen Garcia, Los Angeles Times, 4 Apr. 2024

But after being shut down last July when a disc slipped in his back, Roupp spent the first half of camp throwing bullpens and begging the coaching staff to get him into a game. —Evan Webeck, The Mercury News, 30 Mar. 2024

Under the sapphire glass, the dial shows a large date with a double disc at 12 o’clock and a power reserve indicator at 6 o’clock. —Rachel Cormack, Robb Report, 26 Mar. 2024

Unlike other menstrual cups that rely on suction to stay in place, in my opinion, this disc is infinitely easier to insert and remove. —Lauren Mazzo, Travel + Leisure, 24 Mar. 2024

For example, Apple’s AirTags, a small disc that can be tracked via your iPhone or iPad, does not allow competitors’ products to connect to this device, further limiting third-party capabilities. —The Enquirer, 22 Mar. 2024

The discs can be moved to unfold across the hand or worn in a more traditional cluster like a typical cocktail ring. —Paige Reddinger, Robb Report, 14 Mar. 2024

Today, the aluminum disc is housed at Indiana University’s Archives of Traditional Music alongside 835 other recordings made by Turner between 1932 and 1960. —Joshua Kagavi, Smithsonian Magazine, 29 Feb. 2024

Gu says these new discs may therefore prove to be manufacturable at commercial scales. —IEEE Spectrum, 23 Feb. 2024

Word History

Etymology

Combining form

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

Kids Definition

disc

variant of disk

Medical Definition

disc

noun

variants or disk

ˈdisk 

: any of various rounded or flattened anatomical structures: as

a

: a mammalian blood cell

b

: blind spot

c

: intervertebral disc see also slipped disc