from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. containing, or yielding pyrites
from the GNU version of the Collaborative International Dictionary of English
- adj. Containing or producing pyrites.
from The Century Dictionary and Cyclopedia
- Containing or producing pyrites.
Sorry, no etymologies found.
I could not but remark that the interior, which appeared pyritiferous, did not show the slightest trace of precious metal.
Basement consisted of a short section of graphitic pelite, followed by a pyritiferous psammo-pelite.