hafnium
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hafnium
(Hf) [haf´ne-um]a chemical element, atomic number 72, atomic weight 178.49. (See Appendix 6.)
haf·ni·um (Hf),
(haf'nē-ŭm),A rare chemical element, atomic no. 72, atomic wt. 178.49.
[L. Hafnia, Copenhagen]
haf·ni·um
(Hf) (haf'nē-ŭm)A rare chemical element, atomic no. 72, atomic wt. 178.49.
[L. Hafnia, Copenhagen]