Isobar
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An isobar is a line of equal or constant pressure on a graph, plot, or map; an isopleth of pressure. In meteorology, the pressures shown are reduced to sea level, not the surface pressures at the map locations.
Also, in nuclear physics, two nuclides with the same mass number are also called isobars.
See also
External links
- National Science Digital Library - Isobar (http://www.nsdl.arm.gov/Library/glossary.shtml#Isobar)
- Drawing Contour Plots (http://avc.comm.nsdlib.org/cgi-bin/wiki_print.pl?Drawing_Contour_Plots). A lesson plan that deals with drawing various isopleths including isobars.