isobar

[ ahy-suh-bahr ]

/ ˈaɪ səˌbɑr /

SEE SYNONYMS FOR isobar ON THESAURUS.COM

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

[ahy-suh-bair]. /ˈaɪ səˌbɛər/. Physics, Chemistry. one of two or more atoms having equal atomic weights but different atomic numbers.

Compare isotope.

Origin of isobar

1860–65; <Greek isobarḗs “of equal weight,” from ísos iso- + báros “weight” (see bar³)

OTHER WORDS FROM isobar

i·so·bar·ism, noun

Words nearby isobar

isoamyl benzyl ether, isoamyl group, isoamyl salicylate, isoantibody, isoantigen, isobar, isobaric, isobaric spin, isobath, isobathic, isobathytherm

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for isobar

In most cases the 29.80-inch isobar furnishes a good limit, out to which the isobars may be traced.
Practical Exercises in Elementary Meteorology|Robert DeCourcy Ward

British Dictionary definitions for isobar

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 numberstin-115 and indium-115 are isobars Compare isotope

Derived forms of isobar

isobarism, noun

Word Origin for isobar

C19: from Greek isobarēs of equal weight, from iso- + baros weight

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for isobar

isobar

[ ī′sə-bär′ ]

n.

Any of two or more kinds of atoms having the same atomic mass but different atomic numbers.

A line on a weather map connecting points of equal atmospheric pressure.

Scientific definitions for isobar

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.

单词	isobar
释义	isobar [ ahy-suh-bahr ] / ˈaɪ səˌbɑr / SEE SYNONYMS FOR isobar ON THESAURUS.COM 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 [ahy-suh-bair]. /ˈaɪ səˌbɛər/. Physics, Chemistry. one of two or more atoms having equal atomic weights but different atomic numbers. Compare isotope. Origin of isobar 1860–65; <Greek isobarḗs “of equal weight,” from ísos iso- + báros “weight” (see bar³) OTHER WORDS FROM isobar i·so·bar·ism, noun Words nearby isobar isoamyl benzyl ether, isoamyl group, isoamyl salicylate, isoantibody, isoantigen, isobar, isobaric, isobaric spin, isobath, isobathic, isobathytherm Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for isobar In most cases the 29.80-inch isobar furnishes a good limit, out to which the isobars may be traced. Practical Exercises in Elementary Meteorology\|Robert DeCourcy Ward British Dictionary definitions for isobar 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 numberstin-115 and indium-115 are isobars Compare isotope Derived forms of isobar isobarism, noun Word Origin for isobar C19: from Greek isobarēs of equal weight, from iso- + baros weight Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Medical definitions for isobar isobar [ ī′sə-bär′ ] n. Any of two or more kinds of atoms having the same atomic mass but different atomic numbers. A line on a weather map connecting points of equal atmospheric pressure. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. Scientific definitions for isobar 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. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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