• synonyms


[suh-lish-ee-uh m, suh-lis-]
noun (formerly)
  1. silicon.
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Origin of silicium

From New Latin, dating back to 1800–10; see origin at silica, -ium
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for silicium

Historical Examples of silicium

  • These are the signs for the atomic weight of lead, and of silicium.

    The Inferno

    August Strindberg

  • Silicium has been discovered combined with iron to the extent of 3-1/2 per cent.

  • The two elements to be avoided by the founder are silicium and sulphur.

  • These zoophytes extract from the sea water the lime and silicium which are found there in the state of soluble salts.

    The Ocean World:

    Louis Figuier

  • Avoid sand crucibles, as silicium may be reduced and absorbed by the aluminum, inducing brittleness.

British Dictionary definitions for silicium


  1. a rare name for silicon
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012