uncalcined

/ʌnˈkælsaɪnd/
adjective
  1. Not having been heated to a high temperature to remove impurities or change its chemical structure (usually referring to minerals or bones).
    • The lab received a shipment of uncalcined gypsum for the experiment.
    • Uncalcined limestone is softer and easier to carve than the calcined version.
    • The artist used uncalcined bone to create a natural white pigment.
What does "uncalcined" mean? | whatsthatwordmean | whatsthatwordmean