HORNBOOK n.
The first book for children, or that from which in former times they learned their letters and rudiments; -- so called because a sheet of horn covered the small, thin board of oak, or the slip of paper, on which the alphabet, digits, and often the Lord's Prayer, were written or printed; a primer. "He teaches boys the h…
HOUSE n.
t to the horizon, and numbered from the one at the eastern horizon, called the ascendant, first house, or house of life, downward, or in the direction of the earth's revolution, the stars and planets passing through them in the reverse order every twenty- four hours.
HYDROSTATIC; HYDROSTATICAL a.
s; pertaining to, or in accordance with, the principles of the equilibrium of fluids. The first discovery made in hydrostatics since the time of Archimedes is due to Stevinus. Hallam. Hydrostatic balance, a balance for weighing substances in water, for the purpose of ascertaining their specific gravities. -- Hydrostat…