spruedadj.
/spruːd/, U.S. /sprud/ Chiefly Dentistry.
Of a pattern for a mould: equipped with a sprue or sprues (sprue n.3 2a).
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the world > health and disease > healing > dentistry > [adjective] > of model or cast: furnished with a sprue
sprued1916
1916 Dental Digest 22 610 The intervening occlusal area of molten gold is kept cooler than the sprued portions.
1963 C. R. Cowell et al. Inlays, Crowns, & Bridges v. 46 The sprued pattern must be invested immediately because delay increases the chances of distortion due to the release of strains in the wax.
2006 Burlington Mag. Dec. 810/1 The invested and sprued wax model was fired in a furnace to melt out the bulk of the wax and burn out the rest of it.
This entry has been updated (OED Third Edition, March 2019; most recently modified version published online March 2022).
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adj.1916