Definition of calcium silicate
: any of several silicates of calcium used especially in construction materials (such as portland cement)
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“Calcium silicate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/calcium%20silicate. Accessed 21 Jun. 2021.
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The first known use of calcium silicate was in 1869
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