telluric
Tel*lu"ric, a. Etym: [L. tellus, -uris, the earth: cf. F. tellurique.] 1. Of or pertaining to the earth; proceeding from the earth. Amid these hot, telluric flames. Carlyle. 2. (Chem.) Defn: Of or pertaining to tellurium; derived from, or resembling, tellurium; specifically, designating those compounds in which the element has a higher valence as contrasted with tellurous compounds; as, telluric acid, which is analogous to sulphuric acid. Telluric bismuth (Min.), tetradymite. -- Telluric silver (Min.), hessite.