sodium metasilicate

noun

sodium meta·sil·i·cate | \ -ˌme-tə-ˈsi-lə-ˌkāt

, -ˈsi-li-kət\

Definition of sodium metasilicate

: a toxic corrosive crystalline salt Na₂SiO₃ used especially as a detergent or as a substitute for phosphates in detergent formulations

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