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Pronunciation: (skrā'pē, skrap'ē), [key]
n. Vet. Pathol.
an infectious, usually fatal brain disease of sheep, characterized by twitching of the neck and head, grinding of the teeth, and scraping of itching portions of skin against fixed objects with a subsequent loss of wool: caused by a prion protein that clings to cell membranes.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

scrap heapscraping
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