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What is "isotherm"

Crossword clues for isotherm

isotherm
Longman Dictionary of Contemporary English
isotherm
noun
EXAMPLES FROM CORPUS
▪ Aleksandrova rather confusingly calls the northern and southern belts arctic tundra and subarctic tundra, separating them by the 6°C July isotherm.
▪ An isotherm is a pressure-volume plot at constant temperature.
▪ Starting at Cape Sata in the far south, cherry trees burst into flower and a pink isotherm of blossoms sweeps northwards.
▪ The isotherm for CO2 at 321 K shows that the gas does not liquefy whatever the pressure or volume at this temperature.
▪ The boundary between the edge of the southern zone and the tundra is the 2°C July isotherm.
▪ The critical temperature of C02 is 304 K. The isotherm at this temperature is called the critical isotherm.
▪ The winter isotherm for this might well be above the next critical temperature for water, i.e. 30°C.
The Collaborative International Dictionary
Isotherm

Isotherm \I"so*therm\, n. [Iso- + Gr. ? heat, fr. ? hot.]

  1. (Phys. Geog.) A line connecting or marking points on the earth's surface having the same temperature. This may be the temperature for a given time of observation, or the mean temperature for a year or other period. Also, a similar line based on the distribution of temperature in the ocean.

  2. (Physics) A line on a graph connecting points representing states having the same temperature; an isothermal line.

Douglas Harper's Etymology Dictionary
isotherm

1860, from French isotherme (Humboldt, 1817), from Greek iso- (see iso-) + therme "heat" (see thermal).

Wiktionary
isotherm

n. A line of equal or constant temperature on a graph or chart, such as a weather map.

WordNet
isotherm

n. an isogram connecting points having the same temperature at a given time

Wikipedia
Isotherm

Isotherm may refer to:

  • Isotherm (contour line) a type of equal temperature at a given date or time on a geographic map
  • Isotherm in thermodynamics, a curve on a p-V diagram for an isothermal process
  • Moisture sorption isotherm a curve giving the functional relationship between humidity and equilibrium water content of a material for a constant temperature
  • Sorption isotherm a curve giving the functional relationship between adsorbate and adsorbent in a constant-temperature adsorption process

Usage examples of "isotherm".

In these the isotherms for every second degree are drawn in broken lines.

We see from the sections how nearly the isotherms and isohalins follow each other.

We see further in both sections, and especially in the southern one, that the isotherms and isohalins often have an undulating course, since the conditions at one station may be different from those at the neighbouring stations.

These undulating curves of the isotherms and isohalins are familiar to us in the Norwegian Sea, where they have been shown in most sections taken in recent years.

This state of things is clearly apparent in the sections, where the isotherms and isohalins run vertically for some way below the surface.