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Dictionary.com Unabridged (v 1.1) - Cite This Source - Share This

lu·ni·so·lar

Audio Help [loo-ni-soh-ler] Pronunciation Key

–adjective

pertaining to or based upon the relations or joint action of the moon and the sun.

[Origin: 1685–95; luni- + solar¹

]

Dictionary.com Unabridged (v 1.1)
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006.

Encyclopædia Britannica, Inc.
Lunisolar

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American Heritage Dictionary - Cite This Source - Share This

lu·ni·so·lar Audio Help (lōō'nĭ-sō'lər) Pronunciation Key
adj. Of or caused by both the sun and the moon.

[Latin lūna, moon; see lunar + solar.]

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The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2006 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.

WordNet - Cite This Source - Share This

lunisolar
adjective
relating to or attributed to the moon and the sun or their mutual relations

The American Heritage Science Dictionary - Cite This Source - Share This

lunisolar Audio Help (l

'nĭ-sō'lər) Pronunciation Key
Relating to or caused by both the Sun and the Moon. Lunisolar gravitational attraction is the principle force influencing the Earth's tides and the cause of the Earth's orbital precession.

The American Heritage® Science Dictionary
Copyright © 2002 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.

Webster's Revised Unabridged Dictionary - Cite This Source - Share This

Lunisolar

Lu"ni*so"lar\, a. [L. luna moon + E. solar: cf. F. lunisolaire.] Resulting from the united action, or pertaining to the mutual relations, of the sun and moon.

Lunisolar precession (Astron.), that portion of the annual precession of the equinoxes which depends on the joint action of the sun and moon.

Lunisolar year, a period of time, at the end of which, in the Julian calendar, the new and full moons and the eclipses recur on the same days of the week and month and year as in the previous period. It consists 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.

Webster's Revised Unabridged Dictionary - Cite This Source - Share This

Lunisolar

Pre*ces"sion\, n. [L. praecedere, praecessum, to go before: cf. F. pr['e]cession. See Precede.] The act of going before, or forward.

Lunisolar precession. (Astron.) See under Lunisolar.

Planetary precession, that part of the precession of the equinoxes which depends on the action of the planets alone.

Precession of the equinoxes (Astron.), the slow backward motion of the equinoctial points along the ecliptic, at the rate of 50.2[sec] annually, caused by the action of the sun, moon, and planets, upon the protuberant matter about the earth's equator, in connection with its diurnal rotation; -- so called because either equinox, owing to its westerly motion, comes to the meridian sooner each day than the point it would have occupied without the motion of precession, and thus precedes that point continually with reference to the time of transit and motion.

Webster's Revised Unabridged Dictionary - Cite This Source - Share This

Lunisolar

Year\, n. [OE. yer, yeer, [yogh]er, AS. ge['a]r; akin to OFries. i?r, g?r, D. jaar, OHG. j[=a]r, G. jahr, Icel. [=a]r, Dan. aar, Sw. [*a]r, Goth. j?r, Gr. ? a season of the year, springtime, a part of the day, an hour, ? a year, Zend y[=a]re year. [root]4, 279. Cf. Hour, Yore.]

1. The time of the apparent revolution of the sun trough the ecliptic; the period occupied by the earth in making its revolution around the sun, called the astronomical year; also, a period more or less nearly agreeing with this, adopted by various nations as a measure of time, and called the civil year; as, the common lunar year of 354 days, still in use among the Mohammedans; the year of 360 days, etc. In common usage, the year consists of 365 days, and every fourth year (called bissextile, or leap year) of 366 days, a day being added to February on that year, on account of the excess above 365 days (see Bissextile).

Of twenty year of age he was, I guess. --Chaucer.

Note: The civil, or legal, year, in England, formerly commenced on the 25th of March. This practice continued throughout the British dominions till the year 1752.

2. The time in which any planet completes a revolution about the sun; as, the year of Jupiter or of Saturn.

3. pl. Age, or old age; as, a man in years. --Shak.

Anomalistic year, the time of the earth's revolution from perihelion to perihelion again, which is 365 days, 6 hours, 13 minutes, and 48 seconds.

A year's mind (Eccl.), a commemoration of a deceased person, as by a Mass, a year after his death. Cf. A month's mind, under Month.

Bissextile year. See Bissextile.

Canicular year. See under Canicular.

Civil year, the year adopted by any nation for the computation of time.

Common lunar year, the period of 12 lunar months, or 354 days.

Common year, each year of 365 days, as distinguished from leap year.

Embolismic year, or Intercalary lunar year, the period of 13 lunar months, or 384 days.

Fiscal year (Com.), the year by which accounts are reckoned, or the year between one annual time of settlement, or balancing of accounts, and another.

Great year. See Platonic year, under Platonic.

Gregorian year, Julian year. See under Gregorian, and Julian.

Leap year. See Leap year, in the Vocabulary.

Lunar astronomical year, the period of 12 lunar synodical months, or 354 days, 8 hours, 48 minutes, 36 seconds.

Lunisolar year. See under Lunisolar.

Periodical year. See Anomalistic year, above.

Platonic year, Sabbatical year. See under Platonic, and Sabbatical.

Sidereal year, the time in which the sun, departing from any fixed star, returns to the same. This is 365 days, 6 hours, 9 minutes, and 9.3 seconds.

Tropical year. See under Tropical.

Year and a day (O. Eng. Law), a time to be allowed for an act or an event, in order that an entire year might be secured beyond all question. --Abbott.

Year of grace, any year of the Christian era; Anno Domini; A. D. or a. d.

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