disc

3 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

Disc \Disc\ (d[i^]sk), noun [See {Disk}, {Dish}.] A flat round plate; (Biol.) A circular structure either in plants or animals; as, a blood disc, a germinal disc, etc. Same as {Disk}.

From The Collaborative International Dictionary of English v.0.48 [gcide]:

Disk \Disk\ (d[i^]sk), noun [L. discus, Gr. di'skos. See {Dish}.] [Written also {disc}.]

1. A discus; a quoit.

Some whirl the disk, and some the javelin dart. --Pope.

2. A flat, circular plate; as, a disk of metal or paper.

3. (Astron.) The circular figure of a celestial body, as seen projected of the heavens.

4. (Biol.) A circular structure either in plants or animals; as, a blood disk; germinal disk, etc.

5. (Bot.) (a) The whole surface of a leaf. (b) The central part of a radiate compound flower, as in sunflower. (c) A part of the receptacle enlarged or expanded under, or around, or even on top of, the pistil.

6. (Zool.) (a) The anterior surface or oral area of c[oe]lenterate animals, as of sea anemones. (b) The lower side of the body of some invertebrates, especially when used for locomotion, when it is often called a creeping disk. (c) In owls, the space around the eyes.

{Disk engine}, a form of rotary steam engine.

{Disk shell} (Zool.), any species of Discina.

From WordNet (r) 3.0 (2006) [wn]:

disc

noun

1: sound recording consisting of a disk with a continuous groove; used to reproduce music by rotating while a phonograph needle tracks in the groove [syn: {phonograph record}, {phonograph recording}, {record}, {disk}, {disc}, {platter}]

2: something with a round shape resembling a flat circular plate; "the moon's disk hung in a cloudless sky" [syn: {disk}, {disc}, {saucer}]

3: (computer science) a memory device consisting of a flat disk covered with a magnetic coating on which information is stored [syn: {magnetic disk}, {magnetic disc}, {disk}, {disc}]

4: a flat circular plate [syn: {disk}, {disc}]


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