Telluric \Tel*lu"ric\, a. [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.) 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.

Source: Webster's Revised Unabridged Dictionary (1913)