HYDROFLUORIC a.
.), a colorless, mobile, volatile liquid, HF, very corrosive in its action, and having a strong, pungent, suffocating odor. It is produced by the action of sulphuric acid on fluorite, and is usually collected as a solution in water. It attacks all silicates, as glass or porcelain, is the agent employed in etching glass…
IMMUTABLE a.
That by two immutable things, in which it was impossible for God to lie, we might have a strong consolation. Heb. vi. 18. Immutable, immortal, infinite, Eternal King. Milton. -- Im*mu"ta*ble*ness, n. -- Im*mu"ta*bly, adv.