terˈraform transitive verb

To alter the atmosphere and ecology of (a planet) artificially, so as to make plant, animal and human life viable there

terˈraforming noun

terra ignota /ig-nōˈtə/ or terra incognita /in-kogˈni-tə/ noun

(L ignota (fem) strange, unfamiliar, and incognita (fem) unknown) an unexplored or unknown country or region

terra-japonˈica noun

Pale catechu or gambier

terramara /te-rə-mäˈrə/ noun (pl terramare /-rā/; Ital dialect for terra marna marl-earth)

A dark earthy deposit formed under prehistoric pile-dwellings in Italy (also terramare /te-rə-mäˈri, te-rə-mār/)

terra nullius noun

(L, nobody's land) land that is not part of the sovereign territory of any country

terra rossa /te-rə-rosˈə/ noun

(Ital rossa (fem) red) a ferruginous red earth, the residue of the weathering of limestone

terra sigillata /sij-i-lāˈtə, sig-i-läˈta/ noun

1. (L, sealed earth) a reddish-brown astringent clay found eg on the islands of Lemnos and Samos
2. Earthenware pottery made from it
3. Samian ware