01 a. Of or pertaining to the moon; as, lunar observations.
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1.
Of or pertaining to the moon; as, lunar observations.
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2.
Resembling the moon; orbed.
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3.
Measured by the revolutions of the moon; as, a lunar month.
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4.
Influenced by the moon, as in growth, character, or properties; as, lunar herbs.
Phrases & compounds
Lunar caustic —
silver nitrate prepared to be used as a cautery; -- so named because silver was called luna by the ancient alchemists.
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 a ship's longitude by comparing the local time of taking (by means of a sextant or circle) a given lunar distance, with the Greenwich time corresponding to the same distance as ascertained from a nautical almanac, the difference of these times being the longitude.
Lunar month —
See Month.
Lunar observation —
an observation of a lunar distance by means of a sextant or circle, with the altitudes of the bodies, and the time, for the purpose of computing the longitude.
Lunar tables —
Tables of the moon's motions, arranged for computing the moon's true place at any time past or future.
Lunar year —
the period of twelve lunar months, or 354 days, 8 hours, 48 minutes, and 34.38 seconds.