thicknessing

noun

Definition of thicknessing

plural -s
1 :a method of making a mold for a plaster cast or a metal casting in which a temporary thickness of wax or other material is put on the pattern or part of the unfinished mold and run out by heat or otherwise removed after it has been used to complete the mold
2 :the thickness of wax or other material used in thicknessing

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