hahnium
hahn·i·um / ˈhänēəm/ • n. the name formerly proposed by the American Chemical Society for the chemical element of atomic number 105 (dubnium), and by IUPAC for element 108 (hassium).
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• symb. the chemical element strontium. , Sr • symb. the chemical element strontium.
sr • abbr. steradian(s).
sr Maths., symbol for steradian • symb. the chemical element lutetium. , Lu • symb. the chemical element lutetium. Mg , MG • abbr. ∎ machine gun. ∎ hist. Morris Garages.
mg • symb. the chemical element magnesium. mg • abbr. milligram(s): 100 mg acetaminophen.
mg • symb… Hassium , hassium (hăs´ēəm, häs´–), artificially produced radioactive chemical element; symbol Hs; at. no. 108; mass number of most stable isotope 277; m.p., b… Cs (element) , caesium-137 (seez-iŭm) n. an artificial radioactive isotope of the metallic element caesium, used rarely in radiotherapy. Symbol: 137Cs. See also tel… • symb. the chemical element neptunium. , Np • symb. the chemical element neptunium.
NP • abbr. notary public.
NP, NP-complete See P=NP question.
np neap (tides)
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• ne…
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