HEAT n.
mic weight of any element by its specific heat. The atomic heat of all solid elements is nearly a constant, the mean value being 6.4. -- Dynamical theory of heat, that theory of heat which assumes it to be, not a peculiar kind of matter, but a peculiar motion of the ultimate particles of matter. Heat engine, any appar…
HESSIAN a.
y, or to the Hessians. Hessian boots, or Hessians, boot of a kind worn in England, in the early part of the nineteenth century, tasseled in front. Thackeray. -- Hessian cloth, or Hessians, a coarse hempen cloth for sacking. -- Hessian crucible. See under Crucible. -- Hessian fly (Zoöl.), a small dipterous fly or mid…
HORSE n.
lly, the domestic horse (E. caballus), which was domesticated in Egypt and Asia at a very early period. It has six broad molars, on each side of each jaw, with six incisors, and two canine teeth, both above and below. The mares usually have the canine teeth rudimentary or wanting. The horse differs from the true asses,…
HOUR n.
real day. -- Solar hour, the twenty-fourth part of a solar day. -- The small hours, the early hours of the morning, as one o'clock, two o'clock, etc. -- To keep good hours, to be regular in going to bed early.