calcine
C2Substantiv/US /ˈkælkɪnɛ/ CALCINE; UK /ˈkælkɪnɛ/ CALCINE/
To reduce to a powder, or to a friable state, by the action of heat; to expel volatile matter from by means of heat, as carbonic acid from limestone, and thus to produce disintegration; as to, calcine bones.
