a fine usually white clay formed by the weathering of aluminous minerals (as feldspar); used in ceramics and as an absorbent and as a filler (e.g., in paper)
finely pulverized gypsum used especially as a pigment
fine white clay used in making tobacco pipes and pottery and in whitening leather
terra alba 例句
英汉例句
FCC diesel was refined with special terra alba adsorbent and the refined diesel stability has been improved.