isobar

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i·so·bar

 (ī′sə-bär′)
n.
1. A line on a weather map connecting points of equal atmospheric pressure. Also called isopiestic.
2. Any of two or more kinds of atoms having the same atomic mass but different atomic numbers.

[iso- + Greek baros, weight; see gwerə-1 in the Appendix of Indo-European roots.]

i′so·bar′ic (-bär′ĭk, -băr′-) adj.

isobar

(ˈaɪsəʊˌbɑː)
n
1. (Physical Geography) 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
2. (General Physics) physics any of two or more atoms that have the same mass number but different atomic numbers: tin-115 and indium-115 are isobars. Compare isotope
[C19: from Greek isobarēs of equal weight, from iso- + baros weight]
ˈisobarˌism n

i•so•bar

(ˈaɪ səˌbɑr)

n.
1. a line drawn on a weather map or chart that connects points at which the barometric pressure is the same.
2. Also, i′so•bare` (-ˌbɛər) one of two or more atoms having equal atomic weights but different atomic numbers.
[1860–65; < Greek isobarḗs of equal weight]
i`so•bar′ic (-ˈbær-) adj.
i′so•bar`ism (-ˌbɑr-) n.

i·so·bar

(ī′sə-bär′)
A line drawn on a weather map connecting places having the same atmospheric pressure.

isobar


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A line drawn on a map linking places with the same atmospheric pressure.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.isobar - (meteorology)an isogram connecting points having equal barometric pressure at a given timeisobar - (meteorology)an isogram connecting points having equal barometric pressure at a given time
weather chart, weather map - (meteorology) a map showing the principal meteorological elements at a given time and over an extended region
meteorology - the earth science dealing with phenomena of the atmosphere (especially weather)
isarithm, isogram, isopleth - a line drawn on a map connecting points having the same numerical value of some variable
Translations
izobar

isobar

[ˈaɪsəʊbɑːʳ] Nisobara f

isobar

nIsobare f

isobar

[ˈaɪsəʊˌbɑːʳ] n (Phys) → elemento isobaro (Met) → isobara
References in periodicals archive ?
In October, BBC Breakfast presenter Bill Turnbull made a joke about her isobars.
It is six decades since a forecaster called George Cowling drew isobars and rainfall on a large map in a studio.
Because Isobars provide a high-speed, virtually isothermal path for heat energy to travel, when they are utilized in core pins they can improve part quality and productivity.
The older sister I never had will be leaving her isobars and just heading for the bars - so no change there.
1 What do tightly grouped isobars on a weather map indicate?
A good excuse to sack all those expensive bimbos and himbos who drape themselves over the isobars.
Isobars, together with steam, water, or electric heaters allow even heat distribution over core and cavity surfaces for faster cycle times and uniform curing.
These stripes, running parallel to the shard's longest side, suggest ripples emanating from a pebble dropped into a pond or isobars on a weather map.
There has been no change to the policy of showing wind speed and direction when the wind is the main story and isobars would be displayed where they were helpful to viewers.
Hmm, yes Wendy, isobars are sooooo much more interesting than crossbars, aren't they?
The frivolity started after Bill, 58, cheekily told Carol - who was wearing a tight-fitting red dress with a flash of cleavage: "There's a lot of interest in your isobars this morning.
Temperatures rose when Bill, 58, told Carol, who had on a tight-fitting red dress showing a flash of cleavage: "There's a lot of interest in your isobars this morning.