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scraping(1) Extracting data from output sent to the screen or printer rather than from the original files or databases. Scraping is a way to obtain data from any source without having access to the original file, but only at the time it is being printed or displayed Scraping differs from capturing the screen. A screen capture creates an image of the screen, whereas scraping extracts the actual text. See screen capture.
(2) Extracting email addresses or other data from websites or search engine results. The data may be sold to spammers or criminals, or it may be reorganized and presented on a website along with ads to derive income.
the cutting or shaving of thin metal particles from the surface of a workpiece with a scraper. Usually performed after finishing the workpiece on a metal-cutting machine tool, scraping makes it possible to fit contacting surfaces to each other or join them with a hermetic seal.