ETHER n.
A light, volatile, mobile, inflammable liquid, (C2H5)2O, of a characteristic aromatic odor, obtained by the distillation of alcohol with sulphuric acid, and hence called also sulphuric ether. It is powerful solvent of fats, resins, and pyroxylin, but finds its chief use as an anæsthetic. Called also ethyl oxide.ethyl e…
FORMIC a.
acid; as, formic ether. Amido formic acid, carbamic acid. -- Formic acid, a colorless, mobile liquid, HCO.OH, of a sharp, acid taste, occurring naturally in ants, nettles, pine needles, etc., and produced artifically in many ways, as by the oxidation of methyl alcohol, by the reduction of carbonic acid or the destruct…
HEPATIC a.
ic duct (Anat.), any biliary duct; esp., the duct, or one of the ducts, which carries the bile from the liver to the cystic and common bile ducts. See Illust., under Digestive. -- Hepatic gas (Old Chem.), sulphureted hydrogen gas. -- Hepatic mercurial ore, or Hepatic cinnabar. See under Cinnabar.
HYDROCYANIC a.
from the combination of, hydrogen and cyanogen. Hydrocyanic acid (Chem.), a colorless, mobile, volatile liquid, HCN, having a characteristic peach-blossom odor. It is one of the most deadly poisons. It is made by the action of sulphuric acid on yellow prussiate of potassium (potassium ferrocyanide), and chemically res…