AURORA n.
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; when reaching south beyond the zenith, it forms what is called the corona, about a spot in the heavens toward which the dipp…
AUTOMOBILE n.
An automobile vehicle or mechanism; esp., a self-propelled vehicle suitable for use on a street or roadway. Automobiles are usually propelled by internal combustion engines (using volatile inflammable liquids, as gasoline or petrol, alcohol, naphtha, etc.), steam engines, or electric motors. The power of the driving mo…
AVAIL v.
To be of use or advantage; to answer the purpose; to have strength, force, or efficacy sufficient to accomplish the object; as, the plea in bar must avail, that is, be sufficient to defeat the suit; this scheme will not avail; medicines will not avail to check the disease. "What signs avail " Milton. Words avail very l…