disk
has definitions from the fields of computer science,music,agriculture
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[ noun ] something with a round shape like a flat circular plate
Used in print (Cornell H. Mayer, "Radio Emission of the Moon...)They deduced from their measurements that the radio_emission from the whole disk of the moon varied during a lunation in a roughly sinusoidal fashion ; that the amplitude of the variation was considerably less_than the amplitude of the variation in the infrared_emission as measured by Pettit and Nicholson ( 1930 ) and Pettit ( 1935 ) ; and that the maximum of the radio_emission came about 3 - 1 2 days after Full_Moon , which is again in contrast to the infrared_emission , which reaches its maximum at Full_Moon . The maximum angular diameter of any planetary disk as observed from the earth is about 1 minute_of_arc . This is much smaller than the highest resolution of even the very large reflectors now under construction , and consequently the radio_emission of different regions of the disk cannot be resolved . Recent interferometer measurements ( Radhakrishnan and Roberts , 1960 ) have shown the 960 - Mc emission of Jupiter to be partially polarized and to originate_in a region of larger diameter than the visible disk . The received radiation is compared with the radiation from a hypothetical black-body which subtends the same solid_angle as the visible disk of the planet . Related terms |
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[ noun ] a thin flat circular plate
Synonyms Used in print (Raymond C. Binder et al., editors, Proceedings...)The anode in figure 2 was mounted by means of the anode holder which was attached to a steel plug and disk . Inflow of air from the surrounding atmosphere was prevented by the two disks shown in figure 2 . Three thermocouples were placed at different locations in the aluminum disk surrounding the anode holder to determine its temperature . The thermocouples in the aluminum disk shown in figure 2 indicated an equilibrium temperature of the surface of **f . |
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[ noun ] (computer science,music) sound recording consisting of a disc with continuous grooves; formerly used to reproduce music by rotating while a phonograph needle tracked in the grooves
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[ noun ] (computer science) a memory device consisting of a flat disk covered with a magnetic coating on which information is stored
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