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silicate - 6 dictionary results

sil⋅i⋅cate

  [sil-i-kit, -keyt]
Use silicate in a Sentence
–noun
1. Mineralogy. any of the largest group of mineral compounds, as quartz, beryl, garnet, feldspar, mica, and various kinds of clay, consisting of SiO2 or SiO4 groupings and one or more metallic ions, with some forms containing hydrogen. Silicates constitute well over 90 percent of the rock-forming minerals of the earth's crust.
2. Chemistry. any salt derived from the silicic acids or from silica.
Origin:
1805–15; silic(a) + -ate 2

Related forms:
sil⋅i⋅ca⋅tion  [sil-i-key-shuhn] , noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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sil·i·cate   (sĭl'ĭ-kāt', -kĭt)   
n.  
  1. Any of numerous compounds containing silicon, oxygen, and one or more metals; a salt of silicic acid.
  2. Any of a large group of minerals, forming over 90 percent of the earth's crust, that consist of SiO2 or SiO4 groupings combined with one or more metals and sometimes hydrogen.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Silicate

Sil"i*cate\, n.[Cf. F. silicate.] (Chem.) A salt of silicic acid.

Note: In mineralogical chemistry the silicates include; the unisilicates or orthosilicates, salts of orthosilicic acid; the bisilicates or metasilicates, salts of metasilicic acid; the polysilicates or acid silicates, salts of the polysilicic acids; the basic silicates or subsilicates, in which the equivalent of base is greater than would be required to neutralize the acid; and the hydrous silicates, including the zeolites and many hydrated decomposition products.
Webster's Revised Unabridged Dictionary, © 1996, 1998 MICRA, Inc.
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Main Entry: sil·i·cate
Pronunciation: 'sil-&-"kAt, 'sil-i-k&t
Function: noun
: a salt or ester derived from a silicic acid;especially : any of numerous insoluble often complex metal salts that contain silicon and oxygen in the anion and constitute the largest class of minerals
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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silicate sil·i·cate (sĭl'ĭ-kāt', -kĭt)
n.
Any of numerous compounds containing silicon, oxygen, and one or more metals; a salt of silicic acid.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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silicate   (sĭl'ĭ-kāt')  Pronunciation Key 
  1. Any of a large class of chemical compounds composed of silicon, oxygen, and at least one metal. Most rocks and minerals are silicates.
  2. Any mineral containing the group SiO4, either isolated, or joined to other groups in chains, sheets, or three-dimensional groups with metal elements. Micas and feldspars are silicate minerals.

The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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