of, relating to, or originating on or in the earth or soil; terrestrial, esp in reference to natural electrical or magnetic fields
2.
astronomy (of spectral lines or bands) observed in the spectra of celestial objects and caused by oxygen, water vapour, and carbon dioxide in the earth's atmosphere
[C19: from Latin tellūs the earth]
telluric2 (tɛˈlʊərɪk)
—adj
of or containing tellurium, esp in a high valence state