borofluoride
/ˌbɔrəˈflʊəraɪd/ or /ˌboʊrəˈflʊəraɪd/Definitions
1. noun
A compound of boric acid and hydrofluoric acid, used in the manufacture of glass and ceramics.
“The production process involved the use of borofluoride to create the delicate glassware.”