[ floo-oh-si-lis-ik as-id, floo- ]
/ ˈflu oʊ sɪˈlɪs ɪk ˈæs ɪd, ˌflu- /
an unstable acid, H2SiF6, known only in its colorless, poisonous, fuming aqueous solution or in the form of its salts: used chiefly as a wood preservative, a disinfectant, and as a hardening agent in the manufacture of ceramic ware, cement, and concrete.
Words nearby fluosilicic acid
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019