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The word isobar derives from the two ancient Greek words, ισος (isos), meaning 'equal', and βαρος (baros), meaning 'weight'. Image File history File links Disambig_gray. ... Note: This article contains special characters. ...

• In meteorology, thermodynamics, and similar science (and engineering), an isobar is a contour line of equal or constant pressure on a graph, plot, or map. (For further discussion, see under Contour line)An isobar is what connects the low pressure areas to the low pressure areas and vice versa with the high pressure areas

• In nuclear physics, two nuclides with the same mass number are called isobars. For example, boron-12 and carbon-12 are isobars.

• Isobar has also occasionally been used as a synonym for a heat pipe.

• Isobar is the title of a 2007 science fiction film.

• Isobar is an international network of digital marketing agencies.

// Meteorology (from Greek: μετέωρον, meteoron, high in the sky; and λόγος, logos, knowledge) is the interdisciplinary scientific study of the atmosphere that focuses on weather processes and forecasting. ... Thermodynamics (from the Greek θερμη, therme, meaning heat and δυναμις, dynamis, meaning power) is a branch of physics that studies the effects of changes in temperature, pressure, and volume on physical systems at the macroscopic scale by analyzing the collective motion of their particles using statistics. ... Elevation contour map A contour line shows elevation. ... This article is about pressure in the physical sciences. ... Elevation contour map A contour line shows elevation. ... Nuclear physics is the branch of physics concerned with the nucleus of the atom. ... ... Synonyms (in ancient Greek, συν (syn) = plus and όνομα (onoma) = name) are different words with similar or identical meanings. ... A heat sink (aluminium) with heat pipe (copper) A heat pipe is a heat transfer mechanism that can transport large quantities of heat with a very small difference in temperature between the hot and cold interfaces. ... Isobar Communications is the worlds largest digital agency network. ...

See also

• Isosurface
• Isobaric process

Zirconocene with an isosurface showing areas of the molecule susceptible to electrophilic attack. ... An isobaric process is a thermodynamic process in which the pressure stays constant; . The heat transferred to the system does work but also changes the internal energy of the system: according to the first law of thermodynamics, where W is work done by the system, E is internal energy, and...

Similar terms

• Isotope - one of multiple varieties of the same element of different atomic masses
• Isotone - one of multiple nuclides with equal numbers of neutrons
• Isomer - one of multiple molecules with the same formula
• Nuclear isomer - a nuclide in a neutral state (i.e., containing more energy, but with no change in number of protons and neutrons)