HUMMING n. 2 definitions
A sound like that made by bees; a low, murmuring sound; a hum. Hummingale, lively or strong ale. Dryden. -- Humming bird (Zoöl.), any bird of the family Trochilidæ, of which over one hundred genera are known, including about four hundred species. They are found only in America and are most abundant in the tropics. The…
HYPOCHLOROUS a.
Pertaining to, or derived from, chlorine having a valence lower than in chlorous compounds. Hypochlorous acid (Chem.), an acid derived from chlorine, not known in a pure state, but forming various salts, called hypochlorites.
HYPOPHOSPHORIC a.
Pertaining to, or derived from, or containing, phosphorus in a lower state of oxidation than in phosphoric compounds; as, hypophosphoric acid. Hypophosphoric acid (Chem.), an acid, P2H4O6, produced by the slow oxidation of moist phosphorus, and isolated only as a solution in water. It is regarded as a condensation prod…