HUNDREDWEIGHT n.
A denomination of weight, containing 100, 112, or 120 pounds avoirdupois, according to differing laws or customs. By the legal standard of England it is 112 pounds. In most of the United States, both in practice and by law, it is 100 pounds avoirdupois, the corresponding ton of 2,000 pounds, sometimes called the short…
HYDRAZINE n.
ases, resembling the amines and produced by the reduction of certain nitroso and diazo compounds; as, methyl hydrazine, phenyl hydrazine, etc. They are derivatives of hydrazine proper, H2N.NH2, which is a doubled amido group, recently (1887) isolated as a stable, colorless gas, with a peculiar, irritating odor. As a ba…