Lunar cycle

Lunar cycle
Lunar Lu"nar (l[=u]"n[~e]r), a. [L. lunaris, fr. luna the moon. See {Luna}, and cf. {Lunary}.] 1. Of or pertaining to the moon; as, lunar observations. [1913 Webster]

2. Resembling the moon; orbed. --Dryden. [1913 Webster]

3. Measured by the revolutions of the moon; as, a lunar month. [1913 Webster]

4. Influenced by the moon, as in growth, character, or properties; as, lunar herbs. --Bacon. [1913 Webster]

{Lunar caustic} (Med. Chem.), silver nitrate prepared to be used as a 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 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}. (a) (Astron.) Tables of the moon's motions, arranged for computing the moon's true place at any time past or future. (b) (Navigation) Tables for correcting an observed lunar distance on account of refraction and parallax.

{Lunar year}, the period of twelve lunar months, or 354 days, 8 hours, 48 minutes, and 34.38 seconds. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

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  • lunar cycle — noun : metonic cycle * * * ˌlunar ˈcycle 7 [lunar cycle] noun (astronomy) a period of 19 years, after which the new moon and full moon return to the same day of the year …   Useful english dictionary

  • lunar cycle — cycle of lunar months …   English contemporary dictionary

  • lunar cycle. — See Metonic cycle. [1695 1705] * * * …   Universalium

  • lunar cycle — noun another term for Metonic cycle …   English new terms dictionary

  • lunar cycle. — See Metonic cycle. [1695 1705] …   Useful english dictionary

  • LUNAR CYCLE —    a period of time at the close of which the new moons return on the same days of the year …   The Nuttall Encyclopaedia

  • Lunar — Lu nar (l[=u] n[ e]r), a. [L. lunaris, fr. luna the moon. See {Luna}, and cf. {Lunary}.] 1. Of or pertaining to the moon; as, lunar observations. [1913 Webster] 2. Resembling the moon; orbed. Dryden. [1913 Webster] 3. Measured by the revolutions… …   The Collaborative International Dictionary of English

  • Lunar caustic — Lunar Lu nar (l[=u] n[ e]r), a. [L. lunaris, fr. luna the moon. See {Luna}, and cf. {Lunary}.] 1. Of or pertaining to the moon; as, lunar observations. [1913 Webster] 2. Resembling the moon; orbed. Dryden. [1913 Webster] 3. Measured by the… …   The Collaborative International Dictionary of English

  • Lunar distance — Lunar Lu nar (l[=u] n[ e]r), a. [L. lunaris, fr. luna the moon. See {Luna}, and cf. {Lunary}.] 1. Of or pertaining to the moon; as, lunar observations. [1913 Webster] 2. Resembling the moon; orbed. Dryden. [1913 Webster] 3. Measured by the… …   The Collaborative International Dictionary of English

  • Lunar method — Lunar Lu nar (l[=u] n[ e]r), a. [L. lunaris, fr. luna the moon. See {Luna}, and cf. {Lunary}.] 1. Of or pertaining to the moon; as, lunar observations. [1913 Webster] 2. Resembling the moon; orbed. Dryden. [1913 Webster] 3. Measured by the… …   The Collaborative International Dictionary of English

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