这个词是什么意思？
A calcium salt that is used for a variety of purposes including: building materials, as a desiccant, in dentistry as an impression material, cast, or die, and in medicine for immobilizing casts and as a tablet excipient. It exists in various forms and states of hydration. Plaster of Paris is a mixture of powdered and heat-treated gypsum.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D002133 · MeSH 2026。
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