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Webster’s Dictionary (1828)

98,828 entries. Headwords are matched first, then definition text.

5 words match “HYDROCYANIC”

HYDROCYANIC a.
Pertaining to, or derived 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 ferrocya…
FUMATORIUM n.
rms or insects; esp., the apparatus used to destroy San José scale on nursery stock, with hydrocyanic acid vapor.
HYDROCYANIDE n.
A compound of hydrocyanic acid with a base; -- distinguished from a cyanide, in which only the cyanogen so combines.
PLATINOCYANIC a.
Pertaining to, derived from, or designating, an acid compound of platinous cyanide and hydrocyanic acid. It is obtained as a cinnaber-red crystalline substance.
PRUSSIC a.
designating the acid now called hydrocyanic acid, but formerly called prussic acid, because Prussian blue is derived from it or its compounds. See Hydrocyanic.