terra alba

[ al-buh, awl- ]
/ ˈæl bə, ˈɔl- /

noun

any of various white, earthy or powdery substances, as pipe clay, gypsum, kaolin, or magnesia.

Origin of terra alba

1870–75; < Latin: white earth

British Dictionary definitions for terra alba

terra alba
/ (ˈælbə) /

noun

a white finely powdered form of gypsum, used to make paints, paper, etc
any of various other white earthy substances, such as kaolin, pipeclay, and magnesia

Word Origin for terra alba

from Latin, literally: white earth