disc

Definitions

  • WordNet 3.6
    • n disc a flat circular plate
    • n disc (computer science) a memory device consisting of a flat disk covered with a magnetic coating on which information is stored
    • n disc sound recording consisting of a disk with a continuous groove; used to reproduce music by rotating while a phonograph needle tracks in the groove
    • n disc something with a round shape resembling a flat circular plate "the moon's disk hung in a cloudless sky"
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Webster's Revised Unabridged Dictionary
  • Interesting fact: Compact discs read from the inside to the outside edge, the reverse of how a record works.
    • n Disc dĭsk (Biol) A flat round plate
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Century Dictionary and Cyclopedia
  • Interesting fact: In the United States, more Frisbee discs are sold each year than baseballs, basketballs, and footballs combined.
    • n disc See disk.
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Chambers's Twentieth Century Dictionary
  • Interesting fact: Disc Jockey Alan Freed popularized the term "Rock and Roll."
    • n Disc disk the face of a round plate, any flat, round object: the face of a celestial body:
    • n Disc disk (bot.) the flat surface of an organ, as a leaf, any flat, round growth
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Etymology

Webster's Revised Unabridged Dictionary
See Disk Dish
Chambers's Twentieth Century Dictionary
L. discus—Gr. diskos, a round plate, a quoit—dikein, to cast. See Desk, Dish.

Usage

In literature:

The sun is a red disc.
"From Pole to Pole" by Sven Anders Hedin
One form is made entirely of steel having, instead of spurs, discs with sharpened edges.
"Handwork in Wood" by William Noyes
It was a disc, another of those cursed whirling discs, sent to annihilate me!
"Wandl the Invader" by Raymond King Cummings
That could only have been the sun, since the sun was the only star close enough to show up as a disc.
"Islands of Space" by John W Campbell
One disc has four or more projecting pins (C), and the other disc suitable holes (D) to receive the pins.
"Practical Mechanics for Boys" by J. S. Zerbe
Adiscota: insects that develop into adults without forming imaginal discs; see discota.
"Explanation of Terms Used in Entomology" by John. B. Smith
Any fairly smooth ground glass surface may be more or less polished by holding it for a moment against the revolving disc.
"On Laboratory Arts" by Richard Threlfall
Two perfect discs, joined by a fine filament.
"Greylorn" by John Keith Laumer
Just then a cloud crossing the moon's disc, shrouded the plain, and the dark object was no longer visible.
"The War Trail" by Mayne Reid
Metallic discs were applied to the patient's body.
"Primitive Psycho-Therapy and Quackery" by Robert Means Lawrence
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In poetry:

Till she behold — the visual boon
Surviving elemental risk —
The nearing sun's enormous disc,
Blood-red at dusk of sullen noon;
"The Testimony of the Suns" by George Sterling
The farther objects in the room
Have vanish'd from his failing sight;
One broad horizon spreads in gloom
Around a lessening disc of light.
"Forty Years After" by John Marchborn Cooley
Thought cleaves the interstellar gloom
And sits in Sirius' disc all night,
Till day makes him retrace his flight
With smell of burning on every plume,
Back past the sun to an earthly room.
"Bond And Free" by Robert Frost
The morning waned-the sun rose high
O'erhead, until 'twas seeming
But a dazzling disc, and the fiery sky
Like an opal sea was gleaming;
And languorous flowers - of morn gone by,
And coming eve - fell dreaming.
"When The Light Is As Darkness" by Harry Breaker Morant
The sun a splintered splendor was
In trees, whose waving branches blurred
Its disc, that day we went together,
'Mid wild-bee hum and whirring buzz
Of insects, through the fields that purred
With Summer in the perfect weather.
"One Day And Another: A Lyrical Eclogue – Part III" by Madison Julius Cawein
A valley filled with dark, quiet, leaf-thick trees,
Loaded with green, cold, faintly shining suns;
And in the sky a great dim burning disc! —
Madness it is to watch these twisted trunks
And to see nothing move and hear no sound!
"Silence" by Walter James Turner

In news:

After more than 50 years on the radio, the disc jockey is still going strong, playing sentimental songs and taking dedications.
Unlike typical tortillas, these hand-formed discs are nearly a quarter-inch thick and are made to order.
A former general manager of KVMR, Joseph Guida launched his broadcast career as a disc jockey at his college radio station.
) returns with their third album, Plastic Beach, after selling nearly 15 million discs so far and earning five Grammy noms in 2006 (the same year they opened the show performing with an animated Madonna.).
He wanted to be a disc jockey.
The video for the disc's first single '45?
First up, fans can stream the title track from the disc, the third song previewed from the upcoming effort.
The disc will be preceded by the first single 'Figure It Out,' which is set to surface shortly.
This may just be the best partitioning utility/boot disc on the planet.
Los Angeles Lakers forward Jordan Hill said he didn't need surgery to repair the herniated disc in his back.
Driver suffers herniated disc, closed-head injury in accident.
Bicyclist hit by truck, suffers herniated disc, left elbow injury.
Devils' Ilya Kovalchuk takes part in morning skate despite herniated disc.
Tony Kurdzuk/The Star-Ledger Devils winger Ilya Kovalchuk is dealing with a herniated disc in his back.
Most disc herniation takes place in the lower back (lumbar spine).
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In science:

However, we are viewing the disc in IP Peg at an unusual angle (nearly edge on), and whilst it may be that the discs are optically thin when viewed from the pole, the large column length to the secondary star at phase 0.5 may be enough to obscure it.
A TiO study of the dwarf nova IP Pegasi
This means obscuration of the secondary star by the disc is unlikely, given the star’s position well clear of the disc at this phase.
A TiO study of the dwarf nova IP Pegasi
The three dimensional distribution of velocities within a galactic disc contains a wealth of information about disc structure.
Disc heating in NGC 2985
It has long been known that the random velocity of disc stars increases over their lifetime, a process dubbed disc heating.
Disc heating in NGC 2985
Within this approximation, then, to leading order the shape of the velocity ellipsoid in the plane of the disc is a property of the galactic potential, independent of any disc heating mechanism.
Disc heating in NGC 2985
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