AURORA n.
Aurora borealis (, i. e., northern daybreak; popularly called northern lights. A luminous meteoric phenomenon, visible only at night, and supposed to be of electrical origin. This species of light usually appears in streams, ascending toward the zenith from a dusky line or bank, a few degrees above the northern horizon…
IRON n.
r impurities from cast iron, rendering it less brittle, and to some extent malleable. -- Meteoric iron (Chem.), iron forming a large, and often the chief, ingredient of meteorites. It invariably contains a small amount of nickel and cobalt. Cf. Meteorite. -- Pig iron, the form in which cast iron is made at the blast…
SHOOTING a.
umbers, apparently diverging from some point in the heavens, such displays being known as meteoric showers, or star showers. These bodies, before encountering the earth, were moving in orbits closely allied to the orbits of comets. See Leonids, Perseids. (b) (Bot.) The American cowslip (Dodecatheon Meadia). See under C…