silicium

2 definitions found

silicium - Collaborative International Dictionary of English v.0.48 :

  Silicon \Sil"i*con\, n. [See Silica.] (Chem.)
     A nonmetalic element analogous to carbon. It always occurs
     combined in nature, and is artificially obtained in the free
     state, usually as a dark brown amorphous powder, or as a dark
     crystalline substance with a meetallic luster. Its oxide is
     silica, or common quartz, and in this form, or as silicates,
     it is, next to oxygen, the most abundant element of the
     earth's crust. Silicon is characteristically the element of
     the mineral kingdom, as carbon is of the organic world.
     Symbol Si. Atomic weight 28. Called also silicium.
     [1913 Webster]

  Silicium \Si*lic"i*um\, n.
     See Silicon.
     [1913 Webster]