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shadow of a style or gnomon on a graduated arc or surface; esp., a sundial; but there are lunar and astral dials. The style or gnomon is usually parallel to the earth's axis, but the dial plate may be either horizontal or vertical.

ar distance, the distance made at the eye by lines drawn from the eye to two objects. -- Lunar distance. See under Lunar. -- North polar distance (Astron.), the distance on the heavens of a heavenly body from the north pole. It is the complement of the declination. -- Zenith distance (Astron.), the arc on the heaven…

either between it and the eye, or between the luminous body and that illuminated by it. A lunar eclipse is caused by the moon passing through the earth's shadow; a solar eclipse, by the moon coming between the sun and the observer. A satellite is eclipsed by entering the shadow of its primary. The obscuration of a plan…

Pertaining to an eclipse or to eclipses. Lunar ecliptic limit (Astron.), the space of 12º on the moon's orbit from the node, within which, if the moon happens to be at full, it will be eclipsed. -- Solar ecliptic limit, the space of 17º from the lunar node, within which, if a conjunction of the sun and moon occur, the…

ys, months, or years, in an account of time, to produce regularity; as, the embolism of a lunar month in the Greek year.

s preceded the beginning of the year. Annual epact, the excess of the solar year over the lunar year, -- being eleven days. -- Menstrual epact, or Monthly epact, the excess of a calendar month over a lunar.

of a planet, or other heavenly body, at any other date, are given; as, the epoch of Mars; lunar elements for the epoch March 1st, 1860.

A kind of wild goose, by a flock of which a virtuoso was fabled to be carried to the lunar world. [Also gansa.] Johnson.

h green, purple, and gold. -- Golden number (Chronol.), a number showing the year of the lunar or Metonic cycle. It is reckoned from 1 to 19, and is so called from having formerly been written in the calendar in gold. -- Golden oriole. (Zoöl.) See Oriole. -- Golden pheasant. See under Pheasant. -- Golden pippin, a…

the round shining partitions of which are more beautiful than the blossom; -- called also lunary and moonwort. Lunaria biennis is common honesty; L. rediva is perennial honesty.

designed to explode, and destroy life or property. -- Infernal stone (lapis infernalis), lunar caustic; formerly so called. The name was also applied to caustic potash.

in the carpus, and between the tibiale and fibulare in the tarsus. It corresponds to the lunar in the carpus, and to a part of the astragalus in the tarsus of man and most mammals.

r ones, 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 ab…

r 46 b. c. -- Julian 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…

Etym: [NL.] (Min.) Calamine. -- Lapis infernalis (. Etym: [L.] Fused nitrate of silver; lunar caustic.

and the data in regard to which are used in observations for finding the longitude, as by lunar distances.

A lunar calendar 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 year used by Mohammedans, consisting of twelve lunar months without intercalation, so that they retrograde through all the seasons in about 32½ years. The Mohammedan era begins with the year 622 a.d., the first day of the Mohammedan year 1332 begin Nov. 30, 1913, acording to the Gregorian calendar.…

d the rest 31, except February, which, in common years, has 28, and in leap years 29. -- Lunar month, the period of one revolution of the moon, particularly a synodical revolution; but several kinds are distinguished, as the synodical month, or period from one new moon to the next, in mean length 29 d. 12 h. 44 m. 2.8…

nce from the earth is 240,000 miles, and its mass is one eightieth that of the earth. See Lunar month, under Month. The crescent moon, the diadem of night. Cowper.