INTERNAL-COMBUSTION; INTERNAL-COMBUSTION ENGINE a.
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 jacket…
IONIC n.
A foot consisting of four syllables: either two long and two short, -- that is, a spondee and a pyrrhic, in which case it is called the greater Ionic; or two short and two long, -- that is, a pyrrhic and a spondee, in which case it is called the smaller Ionic.
ISTHMIAN a.
especially to the Isthmus of Corinth, in Greece. Isthmian games (Gr. Antiq.), one of the four great national festivals of Greece, celebrated on the Isthmus of Corinth in the spring of every alternate year. They consisted of all kinds of athletic sports, wrestling, boxing, racing on foot and in chariots, and also conte…
JULIAN a.
ndar as adjusted by Julius Cæsar, in which the year was made to consist of 365 days, each fourth year having 366 days. -- Julian epoch, the epoch of the commencement of the Julian calendar, or 46 b. c. -- Julian period, a chronological period of 7,980 years, combining the solar, lunar, and indiction cycles (28 x 19 x…
JUNGLE n.
jungles of India are of bamboos, canes, and other palms, very difficult to penetrate. Balfour (Cyc. of India). Jungle bear (Zoöl.), the aswail or sloth bear. -- Jungle cat (Zoöl.), the chaus. -- Jungle cock (Zoöl.), the male of a jungle fowl. -- Jungle fowl. (Zoöl.) (a) Any wild species of the genus Gallus, of whic…
JUNIOR n.
ding; specifically, in American colleges, one in the third year of his course, one in the fourth or final year being designated a senior; in some seminaries, one in the first year, in others, one in the second year, of a three years' course.