a colorless, mobile, volatile fluid, HF, very corrosive in its action, and having a stronger, pungent, suffocating smell. It is created by the activity of sulphuric acid on fluorite, and it is often collected as a remedy in water. It strikes all silicates, as glass or porcelain, could be the agent utilized in etching cup, and it is maintained only in vessels of platinum, lead, caoutchouc, or gutta-percha.
Definition for "hydrofluoric acid"
A colorless, fuming, corrosive, dangerously poisonous aqueous solution…