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)

: 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

Researchers observe crucial step in planet formation Data from both ALMA and Webb allowed the researchers to trace how dust grains move and are distributed within the disc in a process scientists believe is the building block for planetary formation. —Eric Lagatta, USA TODAY, 12 Feb. 2025

People who play disc golf will notice the difference and probably lose fewer of their flying discs, Nuppnau said. —Doug Ross, Chicago Tribune, 11 Feb. 2025

The disc also features a lively track by film historian Walter Chaw that places the movie in a variety of contexts, and there are multiple interviews delving into the film’s writing, special effects, casting, and other topics. —Jim Hemphill, IndieWire, 28 Jan. 2025

The disc was its first Top 10 album, reaching No. 9 on the Billboard 200, and remains its only million-seller without Dylan. —Erik Pedersen, Deadline, 21 Jan. 2025

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