magnesium silicate
Americannoun
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a white powder, 3MgSiO 3 ⋅5H 2 O, with variable hydration, insoluble in water or alcohol, used as a rubber filler, a bleaching agent, an odor absorbent, and in the manufacture of paints and resins.
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any silicate containing magnesium, as enstatite, talc, or magnesium trisilicate.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The morning side was packed with clouds made of magnesium silicate, a mineral commonly found in rocks on Earth.
From Science Daily ● May 27, 2026
The mantle is made up of iron and magnesium silicate minerals.
From Textbooks ● Jan. 1, 2015
It contains something called Youth Boosting Technology, a concoction of ceramide 3, hyaluronic acid, microspheres of magnesium silicate, and silica, among other plant and nutritional supplements.
From New York Times ● May 6, 2013
The true chrysolite of the modern mineralogist is a magnesium silicate, referable to the species olivine.
From Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 3 "Chitral" to "Cincinnati" by Various
Talc is hydrated magnesium silicate, as is also serpentine, a mineral with which talc is closely associated.
From The Economic Aspect of Geology by Leith, C. K. (Charles Kenneth)
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
