HOT a.
Acrid; biting; pungent; as, hot as mustard. Hot bed (Iron Manuf.), an iron platform in a rolling mill, on which hot bars, rails, etc., are laid to cool. -- Hot wall (Gardening), a wall provided with flues for the conducting of heat, to hasten the growth of fruit trees or the ripening of fruit. -- Hot well (Condensing…
HYDROBROMIC a.
sed of hydrogen and bromine; as, hydrobromic acid. Hydrobromic acid (Chem.), a colorless, pungent, corrosive gas, HBr, usually collected as a solution in water. It resembles hydrochloric acid, but is weaker and less stable. Called also hydrogen bromide.
HYDROCHLORIC a.
hydric. Hydrochloric acid (Chem.), hydrogen chloride; a colorless, corrosive gas, HCl, of pungent, suffocating odor. It is made in great quantities in the soda process, by the action of sulphuric acid on common salt. It has a great affinity for water, and the commercial article is a strong solution of the gas in water.…
HYDROFLUORIC a.
olorless, 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, and i…