berylliumn.
/bəˈrɪlɪəm/ Chemistry.
A synonym for the metal glucinum n.; so called as entering into the composition of the beryl.
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glucinum1812
Be1814
beryllium1863
1863 H. Watts Dict. Chem. Glucinum (Glycium, Beryllium).
1868 H. B. Jones & H. Watts Fownes's Man. Elem. Chem. (ed. 10) 381 Beryllium forms but one class of compounds.
1868 H. B. Jones & H. Watts Fownes's Man. Elem. Chem. (ed. 10) 381 Beryllium Chloride..is formed by heating the metal in chlorine or hydrochloric acid gas.
1955 Sci. News Let. 16 Apr. 249/1 There is one other sort of beryllium, isotope 10, with a half life of 2,500,000 years, that it is expected will be found to be cosmic-ray produced.
1958 Chambers's Techn. Dict. 960/1 Beryllium, used in nuclear reactors, as it reflects neutrons.
1961 Times 11 July 7/2 It is expected that beryllium-clad fuel elements, more resistant to corrosion, will be developed.
This entry has not yet been fully updated (first published 1887; most recently modified version published online June 2018).
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n.1863