sorosilicate

American

[sawr-oh-sil-i-kit, -keyt, sohr-] / ˌsɔr oʊˈsɪl ɪ kɪt, -ˌkeɪt, ˌsoʊr- /

noun

Mineralogy.

any of the silicates in which each silicate tetrahedron shares one of its four oxygen atoms with a neighboring tetrahedron, the ratio of silicon to oxygen being two to seven.

< Greek sōró ( s ) heap + silicate

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023