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View synonyms for isobar
isobar
[ ahy-suh-bahr ]
noun
- Meteorology. a line drawn on a weather map or chart that connects points at which the barometric pressure is the same.
- Also i·so·bare [] Physics, Chemistry. one of two or more atoms having equal atomic weights but different atomic numbers.
isobar
/ ˈaɪsəʊˌbɑː /
noun
- a line on a map connecting places of equal atmospheric pressure, usually reduced to sea level for purposes of comparison, at a given time or period
- physics any of two or more atoms that have the same mass number but different atomic numbers Compare isotope
tin-115 and indium-115 are isobars
isobar
/ ī′sə-bär′ /
- A line drawn on a weather map connecting places having the same atmospheric pressure. The distance between isobars indicates the barometric gradient (the degree of change in atmospheric pressure) across the region shown on the map. When the lines are close together, a strong pressure gradient is indicated, creating conditions for strong winds. When the lines are far apart, a weak pressure gradient is indicated and calm weather is forecast.
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Derived Forms
- ˈisobarˌism, noun
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Other Words From
- iso·barism noun
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Word History and Origins
Origin of isobar1
First recorded in 1860–65; from Greek isobarḗs “of equal weight,” from ísos ( iso- ( def ) ) + báros “weight” ( bar 3( def ) )
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Word History and Origins
Origin of isobar1
C19: from Greek isobarēs of equal weight, from iso- + baros weight
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Example Sentences
The most common value-added analyses on surface maps are isobars, pressure systems, and boundaries.
From Outside Online
Agency execs from Dentsu shops like Isobar, 360i and Merkle will also contribute to the practice.
From Digiday
In most cases the 29.80-inch isobar furnishes a good limit, out to which the isobars may be traced.
From Project Gutenberg
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