Found 1 items, similar to Lunar distance.
English → English (gcide) Definition: 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 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] Distance \Dis"tance\, n. [F. distance, L. distantia.] 1. The space between two objects; the length of a line, especially the shortest line joining two points or things that are separate; measure of separation in place. [1913 Webster] Every particle attracts every other with a force . . . inversely proportioned to the square of the distance. --Sir I. Newton. [1913 Webster] 2. Remoteness of place; a remote place. [1913 Webster] Easily managed from a distance. --W. Irving. [1913 Webster] 'T is distance lends enchantment to the view. --T. Campbell. [1913 Webster] [He] waits at distance till he hears from Cato. --Addison. [1913 Webster] 3. (Racing) A space marked out in the last part of a race course. [1913 Webster] The horse that ran the whole field out of distance. --L'Estrange. [1913 Webster] Note: In trotting matches under the rules of the American Association, the distance varies with the conditions of the race, being 80 yards in races of mile heats, best two in three, and 150 yards in races of two-mile heats. At that distance from the winning post is placed the distance post. If any horse has not reached this distance post before the first horse in that heat has reached the winning post, such horse is distanced, and disqualified for running again during that race. [1913 Webster] 4. (Mil.) Relative space, between troops in ranks, measured from front to rear; -- contrasted with interval, which is measured from right to left. “Distance between companies in close column is twelve yards.” --Farrow. [1913 Webster] 5. Space between two antagonists in fencing. --Shak. [1913 Webster] 6. (Painting) The part of a picture which contains the representation of those objects which are the farthest away, esp. in a landscape. [1913 Webster] Note: In a picture, the Middle distance is the central portion between the foreground and the distance or the extreme distance. In a perspective drawing, the Point of distance is the point where the visual rays meet. [1913 Webster] 7. Ideal disjunction; discrepancy; contrariety. --Locke. [1913 Webster] 8. Length or interval of time; period, past or future, between two eras or events. [1913 Webster] Ten years' distance between one and the other. --Prior. [1913 Webster] The writings of Euclid at the distance of two thousand years. --Playfair. [1913 Webster] 9. The remoteness or reserve which respect requires; hence, respect; ceremoniousness. [1913 Webster] I hope your modesty Will know what distance to the crown is due. --Dryden. [1913 Webster] 'T is by respect and distance that authority is upheld. --Atterbury. [1913 Webster] 10. A withholding of intimacy; alienation; coldness; disagreement; variance; restraint; reserve. [1913 Webster] Setting them [factions] at distance, or at least distrust amongst themselves. --Bacon. [1913 Webster] On the part of Heaven, Now alienated, distance and distaste. --Milton. [1913 Webster] 11. Remoteness in succession or relation; as, the distance between a descendant and his ancestor. [1913 Webster] 12. (Mus.) The interval between two notes; as, the distance of a fourth or seventh. [1913 Webster] Angular 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 heavens from a heavenly body to the zenith of the observer. It is the complement of the altitude. To keep one's distance, to stand aloof; to refrain from familiarity. [1913 Webster] If a man makes me keep my distance, the comfort is he keeps his at the same time. --Swift. [1913 Webster]