Of or related to tantalum produced from or containing tantalum specifically designating any one of some acids analogous to nitric acid and polyacid substances of phosphorus
- Of or pertaining to tantalum; produced by, or containing, tantalum; especially, designating anyone of some acids analogous to nitric acid and also the polyacid compounds of phosphorus.
(a.) Of or regarding tantalum; derived from, or containing, tantalum; specifically, designating anyone of a series of acids analogous to nitric acid while the polyacid substances of phosphorus.
Berzelius, who prepared tantalic acid from the mineral tantalite in 1820, obtained an impure metal by heating potassium tantalofluoride with potassium.