INTEREST n.
ed in any particular business or measure, taken collectively; as, the iron interest; the cotton interest. Compound interest, interest, not only on the original principal, but also on unpaid interest from the time it fell due. -- Simple interest, interest on the principal sum without interest on overdue interest.…
INTERNAL-COMBUSTION; INTERNAL-COMBUSTION ENGINE a.
argely used for automobile vehicles, boats, etc. Most internal-combustion engines use the Otto (four-stroke) cycle, though many use the two-stroke cycle. They are almost universally trunk engines and single-acting. Because of the intense heat produced by the frequent explosions, the cylinders must be cooled by a water…