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hysteresis. -- Hysteretic constant, the hysteretic loss in ergs per cubic centimeter per cycle.

A cycle of fifteen years.

omobile 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 (water-coole…

, Abib, Bul, etc., at the time of the Babylonian Exile. Nineteen years constitute a lunar cycle, of which the 3d, 6th, 8th, 11th, 14th, 17th, and 19th years are leap years. The year 5663 [1902-3 a. d.] was the first year of the 299th lunar cycle. The common year is said to be defective, regular, or perfect (or abundant…

period, a chronological period of 7,980 years, combining the solar, lunar, and indiction cycles (28 x 19 x 15 = 7,980), being reckoned from the year 4713 B. C., when the first years of these several cycles would coincide, so that if any year of the period be divided by 28, 19, or 15, the remainder will be the year of…

cautery; -- so named because silver was called luna by the ancient alchemists. -- Lunar cycle. Same as Metonic cycle. See under Cycle. -- Lunar distance, the angular distance of the moon from the sun, a star, or a planet, employed for determining longitude by the lunar method. -- Lunar method, the method of finding…

sists of 532 common years, being the least common multiple of the numbers of years in the cycle of the sun and the cycle of the moon.

hanical contrivance, as the wooden horse with which the Greeks entered Troy; a coach; a bicycle. Dryden. Southey. Thackeray.

two extremes, or between the several successive values of a variable quantity during one cycle of variation; as, mean distance; mean motion; mean solar day. Mean distance (of a planet from the sun) (Astron.), the average of the distances throughout one revolution of the planet, equivalent to the semi-major axis of the…

veloped forms, from the union of which organisms are produced which pass through the same cycle of changes. See Transformation.

Pertaining to, or discovered by, Meton, the Athenian. Metonic cycle or year. (Astron.) See under Cycle.

alendar reckoning from the year of the hegira, 622 a. d. Thirty of its years constitute a cycle, of which the 2d, 5th, 7th, 10th, 13th, 16th, 18th, 21st, 24th, 26th, and 29th are leap years, having 355 days; the others are common, having 354 days. By the following tables any Mohammedan date may be changed into the Chri…

el containing nickel, which greatly increases its strength. It is used for armor plate, bicycle tubing, propeller shafts, etc.

y body; an orbit. The schoolmen were like astronomers, which did feign eccentrics, and epicycles, and such engines of orbs. Bacon. You seem to me as Dian in her orb. Shak. In orbs Of circuit inexpressible they stood, Orb within orb. Milton.

An engine using the Otto cycle.

dampers, or in the organ to open and close certain pipes; a treadle, as in a lathe or a bicycle.

ified or left indefinite; a certain series of years, months, days, or the like; a time; a cycle; an age; an epoch; as, the period of the Roman republic. How by art to make plants more lasting than their ordinary period. Bacon.

A particular appearance or state in a regularly recurring cycle of changes with respect to quantity of illumination or form of enlightened disk; as, the phases of the moon or planets. See Illust. under Moon.

Of or pertaining to, or like, a plasmodium; as, the plasmodial form of a life cycle.

by the union of several amoebalike young, and constituting one of the stages in the life cycle of Mycetozoa and other low organisms.