释义 |
WordReference Random House Unabridged Dictionary of American English © 2024sprue1 (spro̅o̅),USA pronunciation n., v., sprued, spru•ing. n. - Metallurgy
- an opening through which molten metal is poured into a mold.
- the waste metal left in this opening after casting.
- Metallurgya channel in a forging die permitting the die to clear that part of the rough piece not being forged.
v.t. - Metallurgyto cut the sprues from (a casting).
- origin, originally uncertain 1820–30
sprue2 (spro̅o̅),USA pronunciation n. [Pathol.]- Pathologya 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.
- Dutch spruw; cognate with Middle Low German sprūwe tumor
- 1815–25
Collins Concise English Dictionary © HarperCollins Publishers:: sprue /spruː/ n - a vertical channel in a mould through which plastic or molten metal is introduced or out of which it flows when the mould is filled
- plastic or metal that solidifies in a sprue
Etymology: 19th Century: of unknown origin sprue /spruː/ n - a chronic disease, esp of tropical climates, characterized by flatulence, diarrhoea, frothy foul-smelling stools, and emaciation
Etymology: 19th Century: from Dutch spruw; related to Middle Low German sprüwe tumour |