artificial stone

(redirected from patent stone)
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ar·ti·fi·cial stone

a specially calcined gypsum derivative similar to plaster of Paris, but stronger, because the grains are nonporous.
Farlex Partner Medical Dictionary © Farlex 2012

ar·ti·fi·cial stone

(ahr-ti-fishăl stōn, ahrti-fishăl stōn)
A specially calcined gypsum derivative similar to plaster of Paris but stronger because its grains are nonporous.
Medical Dictionary for the Dental Professions © Farlex 2012