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scratch
(redirected from from scratch)

   Also found in: Dictionary/thesaurus, Medical, Idioms 0.03 sec.
scratch
1. Billiards snooker
a. a shot that results in a penalty, as when the cue ball enters the pocket
b. a lucky shot
2. poultry food

scratch [skrach]
(computer science)
To remove data or to set up its identifying labels so that new data can be written over it.

scratch
To score or groove a plaster surface to provide a better bond for the succeeding coat.

1.scratch - (From "scratchpad") Describes a data structure or recording medium attached to a machine for testing or temporary-use purposes; one that can be scribbled on without loss. Usually in the combining forms "scratch memory", "scratch register", "scratch disk", "scratch tape", "scratch volume".

See also scratch monkey.
2.scratch - (primarily IBM) To delete (as in a file).


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pounds 2,298 Figures are for a worker on pounds 20,000 salary starting a scheme from scratch today.
The scattering signal from scratch is compared to the background signal from the coating surface, and the ratio of these two is used to evaluate the visibility of the scratch.
Finally, by calculating the projected scratch areas from scratch widths and plotting them against the corresponding normal loads, the scratch hardness can be established from the linear fit of the plot, as shown in Figure 3.
 
 
 
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