chart

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chart,

term referring to mapsmap,
conventionalized representation of spatial phenomena on a plane surface. Unlike photographs, maps are selective and may be prepared to show various quantitative and qualitative facts, including boundaries, physical features, patterns, and distribution.
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 prepared for marine navigation and for air navigation. All charts show, in some convenient scalescale,
in cartography, the ratio of the distance between two points on a map to the real distance between the two corresponding points portrayed. The scale may be expressed in three ways: numerically, as a ratio or a fraction, e.g., 1:100,000 or 1-100,000; verbally, e.g.
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, geographic features useful to the navigator, as well as indications of direction, e.g., true north (the direction of the geographic North Pole), magnetic north (the direction indicated by the north-seeking end of a magnetic compass needle), and magnetic declination (the difference between these two directions). Data shown on marine charts include the outline and nature of coasts, with landmarks; currents and undercurrents (both direction and force); winds; tides; location and type of lighthouses, buoys, beacons, and lightships; position of rocks, bars, reefs, shoals, wrecks, or other dangers; contour and nature of bottom (mud, sand, rock, or gravel); and depth. Depth is indicated in great detail in harbors and shallow and intricate waterways; the value indicated is usually that at mean low water. Most national governments publish charts of their coasts and harbors; the British admiralty has done the most work along these lines. In the United States the Coast and Geodetic Survey and the Hydrographic Office of the Dept. of the Navy issue charts; these are drawn using the gnomonic or Mercator map projectionsmap projection,
transfer of the features of the surface of the earth or another spherical body onto a flat sheet of paper. Only a globe can represent accurately the shape, orientation, and relative area of the earth's surface features; any projection produces distortion with
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. Aeronautical charts show natural or constructed surface features by the use of various symbols. These charts give locations of radio-navigation stations and graphic representations of the directional information they broadcast; radio communication channels of airports and spacecraft centers; standard flight paths; and dangerous or forbidden areas (e.g., certain military installations). Elevations on the earth's surface are indicated by contour lines. The U.S. Coast and Geodetic Survey issues many kinds of aeronautical charts.

chart

[chärt]
(mapping)
A map, generally designed for navigation or other particular purposes, in which essential map information is combined with various other data critical to the intended use.
To prepare a chart or to engage in a charting operation.
(mathematics)
An n-chart is a pair (U, h), where U is an open set of a topological space and h is a homeomorphism of U onto an open subset of n-dimensional Euclidean space.
(science and technology)
A form, such as a graph, table, or diagram, which gives information about some variable quantity.

chart

A map representing a given surface of the earth and specially designed for sea or air navigation. Aeronautical charts, in which only coastlines, some contours, water, woods, and some aeronautical information (including air routes and airfields) are shown, are the most commonly used. (see page 144)

chart

1. a map designed to aid navigation by sea or air
2. an outline map, esp one on which weather information is plotted
3. a sheet giving graphical, tabular, or diagrammatical information
4. another name for graph
5. Astrology another word for horoscope
References in periodicals archive ?
Many people are interested in seeing their birth chart and it can forecast 10 to 15 years ahead.
Receiving incorrect and unknowledgeable advice, which may result in wearing gems that are incompatible with your Birth Chart can be disastrous and thus should be avoided.
The ancient astrologers also believed that an eclipse has irrefutable consequences if it touches a key planet in a person's birth chart.
Remarkably, we find a very similar configuration in Kate's birth chart.
That was the eyebrow-raising assessment of top astrologist Elaine Davies when she worked out the birth chart of WM's sceptical Anna Morrell.
03pm at the perfect moment for his birth chart to reflect his status as heir to the throne of Britain.
Looking again to the cardinal's published birth chart [ILLUSTRATION FOR FIGURE 6 OMITTED], one sees that Libra was a critical sign in it.
The sun trine Saturn aspect of his birth chart explains his hypnotic sexual magnetism, and his ability to maintain his position as a major Hollywood star for many years to come.
Quite the reverse, in fact, but feelings are strong, and the recent journey of the most turbulent storm bringer, Pluto, over his birth chart Moon will have been difficult.
There is new Moon energy with you right now, Marion, and it connects well with your birth chart, suggesting not necessarily miraculous cures, but the real possibility that something else is going to become available, which could ease matters.
If you have natal Jupiter retrograde in your birth chart, expect a new wave of excitement, prosperity, new friends and emotional fulfillment.