Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- adjective Of, relating to, or indicating equal or constant temperatures.
- adjective Of or designating changes of pressure and volume at constant temperature.
- adjective Of or relating to an isotherm.
- noun An isotherm.
from The Century Dictionary.
- Of the same degree of heat; of the same temperature; in physical geography, pertaining to or marking equality of temperature; exhibiting the geographical distribution of temperature: as, an isothermal line; the isothermal relations of different continents; an isothermal chart. Also
isothermous . - noun An isothermal line; an isotherm.
- In crystallography, applied to the lines on a crystal face, or more generally to the surfaces in a crystal, which measure the rate of heat-conductivity, these lines or surfaces being characterized by equal degrees of temperature when heat is applied at a certain point.
- noun In thermodynamics, a line or curve determined by the equation of state (pv = RT) of a system, when T has any constant value; a line of equal temperatures.
- noun In spectrophotometry, a curve showing the distribution of intensities in the spectrum of a source of light maintained at constant temperature. Also called
isotherm .
from the GNU version of the Collaborative International Dictionary of English.
- adjective Relating to equality of temperature, or an isotherm.
- adjective (Phys. Geog.) Having reference to the geographical distribution of temperature, as exhibited by means of isotherms
- adjective A line drawn on a diagram of energy such that its ordinates represent the pressures of a substance corresponding to various volumes, while the absolute temperature is maintained at a constant value.
- adjective spaces on opposite sides of the equator having the same mean temperature, and bounded by corresponding isothermal lines.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- adjective Of or pertaining to a process that takes place at
constant temperature - adjective Of or pertaining to an
isotherm - noun geography An
isotherm
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adjective of a process or change taking place at constant temperature
Etymologies
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Examples
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‘isothermal’ is quite of modern invention; but what a long story it would be to tell the meaning of ‘_isothermal_ lines’, all which is summed up in and saved by the word.
English Past and Present Richard Chenevix Trench 1846
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The lines called isothermal, that is, lines of equal annual heat, are, therefore, of greatest importance to public economy, because the “zones of production” depend mainly on them. (
System der volkswirthschaft. English Wilhelm Roscher 1855
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Republicanism, will _inevitably_ control the Mississippi river and master the destinies of all soil above the so-called isothermal line, and probably of much below it.
The Continental Monthly, Vol. 1, No. 6, June, 1862 Devoted To Literature and National Policy Various
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At this part of Columbus's letter there is a very curious discussion of temperature, which shows that this careful observer, even at that time, made out the difference between what are called isothermal curves and the curves of latitude.
The life of Christopher Columbus: from his own letters and journals and other documents of his time. 1891
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Evilevitch and his colleagues from Lund University in Sweden, where Evilevitch was previously employed, and the Universite de Lyon in France used an experimental technique known as isothermal titration calorimetry (ITC) to directly measure the heat, and thus the thermal energy, released during viral genome ejection.
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Evilevitch and his colleagues from Lund University in Sweden, where Evilevitch was previously employed, and the Universite de Lyon in France used an experimental technique known as isothermal titration calorimetry (ITC) to directly measure the heat, and thus the thermal energy, released during viral genome ejection.
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Evilevitch and his colleagues from Lund University in Sweden, where Evilevitch was previously employed, and the Universite de Lyon in France used an experimental technique known as isothermal titration calorimetry (ITC) to directly measure the heat, and thus the thermal energy, released during viral genome ejection.
PhysOrg.com - latest science and technology news stories 2010
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Evilevitch and his colleagues from Lund University in Sweden, where Evilevitch was previously employed, and the Universite de Lyon in France used an experimental technique known as isothermal titration calorimetry (ITC) to directly measure the heat, and thus the thermal energy, released during viral genome ejection.
PhysOrg.com - latest science and technology news stories 2010
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po is the pressure at ground level and zo= (RT/μ g) is called the isothermal scale height (about 8 km for the earth).
Archive 2008-08-01 EliRabett 2008
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It's called an "isothermal," and we live in this one very much on purpose.
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