sil·​i·​cate | \ ˈsi-lə-ˌkāt How to pronounce silicate (audio) , -kət \

Definition of silicate

: 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, constitute the largest class of minerals, and are used in building materials (such as cement, bricks, and glass)

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Examples of silicate in a Sentence

Recent Examples on the Web Olivine-rich bedrock is a fairly common silicate mineral. Joshua Hawkins, BGR, 2 May 2022 When a plane ejects chaff, the fibers – made of glass silicate with an aluminum coating – create a radar-reflective cloud that simulates aircraft and creates false targets. Chiara Vercellone, USA TODAY, 26 Feb. 2022 Coprolites are fossils, so most organic components have been replaced by mineral deposits like silicate and calcium carbonates. Jennifer Ouellette, Ars Technica, 5 Feb. 2022 Calcium silicate is found in other forms, including wollastonite in the crust and breyite in the middle and lower regions of the mantle. Stephanie Pappas, Scientific American, 11 Nov. 2021 In addition, the surfaces of the pottery and meltglass are speckled with tiny melted metallic grains, including iridium with a melting point of 4,435 F (2,466 C), platinum that melts at 3,215 F (1,768 C) and zirconium silicate at 2,800 F (1,540 C). Christopher R. Moore, The Conversation, 20 Sep. 2021 Scratch-resistant aluminum silicate protects the display and the screen's advanced molding process reduces glare and distortion across the entire width of the vehicle, ​according to the company. Morgan Korn, ABC News, 11 Apr. 2021 The most common mineral in absolute is bridgmanite, known also as silicate-perovskite, making up 38 percent of Earth's volume. David Bressan, Forbes, 4 Mar. 2021 Take clay, for instance, which forms when chemical weathering reduces aluminum silicate minerals to aluminum and silicon oxides. David Lumb, Popular Mechanics, 9 Dec. 2020 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'silicate.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of silicate

1811, in the meaning defined above

History and Etymology for silicate

silicic (acid)

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Time Traveler for silicate

Time Traveler

The first known use of silicate was in 1811

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Dictionary Entries Near silicate



silicate bond

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Statistics for silicate

Last Updated

14 May 2022

Cite this Entry

“Silicate.” Dictionary, Merriam-Webster, Accessed 26 May. 2022.

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More Definitions for silicate


sil·​i·​cate | \ ˈsil-ə-ˌkāt How to pronounce silicate (audio) , ˈsil-i-kət How to pronounce silicate (audio) \

Medical Definition of silicate

: 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

More from Merriam-Webster on silicate

Britannica English: Translation of silicate for Arabic Speakers Encyclopedia article about silicate


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