† siliciumn.
/sɪˈlɪʃ(ɪ)əm/ Obsolete.
= silicon n.
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silicium1808
silicon1817
1808 H. Davy in Philos. Trans. (Royal Soc.) 98 353 Had I been so fortunate as..to have procured the metallic substances I was in search of, I should have proposed for them the names of silicium, alumium, zirconium, and glucium.
1812 H. Davy Elements Chem. Philos. 364 No compound of silicum and chlorine is known.
1822 T. Webster Imison's Elem. Sci. & Art (new ed.) II. 91 It is imagined, however, that Silicium forms an alloy with iron.
1861 W. Fairbairn Iron 156 The silicium is first attacked, neither the iron nor carbon being operated upon to any extent while any silicium remains.
1868 F. H. Joynson Metals in Constr. 57 A portion of the carbon, and almost the whole of the silicum, is removed from it.
1871 J. Tyndall Fragm. Sci. i. 9 The flints within the chalk we know to be a compound of oxygen and silicium, called silica.
This entry has not yet been fully updated (first published 1910; most recently modified version published online December 2020).
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n.1808