| 单词 | sprue |
| 释义 | sprue sprue1 /sprooh/, n. , v. , sprued, spruing. n. 1. Metall. a. an opening through which molten metal is poured into a mold. b. the waste metal left in this opening after casting. 2. Metalworking. a channel in a forging die permitting the die to clear that part of the rough piece not being forged. v.t. 3. to cut the sprues from (a casting). [1820-30; orig. uncert.] sprue2 /sprooh/, n. Pathol. a chronic disease, occurring chiefly in the tropics, resulting from malabsorption of nutrients from the small intestine and characterized by diarrhea, ulceration of the mucous membrane of the digestive tract, and a smooth, shining tongue; psilosis. [1815-25; < D spruw; c. MLG spruwe tumor] |
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