vacuum investing
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vac·uum in·vest·'ing
the investing of a pattern using a vacuum to remove trapped air from the investment material.
Farlex Partner Medical Dictionary © Farlex 2012
vac·u·um in·vest·ing
(vakyūm in-vesting)Investing of a pattern using a vacuum to remove trapped air from the investment material.
Medical Dictionary for the Dental Professions © Farlex 2012