sodium metasilicate

[ met-uh-sil-i-kit, -keyt ]
/ ˌmɛt əˈsɪl ɪ kɪt, -ˌkeɪt /

noun Chemistry.

a white, granular sodium silicate, Na2SiO3, soluble in water: used in detergents and in bleaching and cleaning products.

Origin of sodium metasilicate

First recorded in 1925–30; meta- + silicate
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019