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Medical Definition of Sprue-former
1. The base to which the sprue is attached while the wax pattern is being invested in a refractory investment in a casting flask; it is sometimes referred to as a crucible-former. (05 Mar 2000)
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1. The base to which the sprue is attached while the wax pattern is being invested in a refractory investment in a casting flask; it is sometimes referred to as a crucible-former. (05 Mar 2000)