isothermal

American  

[ahy-suh-thur-muhl] / ˌaɪ səˈθɜr məl /

Or isothermic

adjective

1. occurring at constant temperature.

2. pertaining to an isotherm.

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noun

1. Meteorology. an isotherm.

isothermal British  

/ ˌaɪsəʊˈθɜːməl /

adjective

1. (of a process or change) taking place at constant temperature

2. of or relating to an isotherm

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noun

1. another word for isotherm

isothermal Scientific  

/ ī′sə-thûr′məl /

1. Relating to or indicating equal or constant temperatures.

2. Relating to a process, usually changes of pressure and volume, occurring at a constant temperature and following Boyle's Law.

3. Relating to an isotherm.

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Other Word Forms

• isothermally adverb

Etymology

Origin of isothermal

1820–30; < French isotherme isothermal (< Greek iso- iso- + thérmē heat) + -al ¹

Example Sentences

"Knowledge of Bernoulli's law, the ideal gas law, and isothermal expansion are the three ingredients we baked into a model to explore how this device worked," Lipscombe said.

From Science Daily • Jan. 23, 2024

"But when it's in that isothermal layer... between the surface and 180 metres... the sound behaves really quite straight."

From BBC • Jun. 21, 2023

Heat transfer Qc occurs out of the working substance during the isothermal path CD, which takes place at constant temperature Tc .

From Textbooks • Aug. 12, 2015

For comparison, both are shown starting from the same point A. The upper curve ending at point B is an isothermal process—that is, one in which temperature is kept constant.

From Textbooks • Aug. 12, 2015

Thus in both hemispheres the iso-cultural bands follow the isothermal lines in all their deflections, and the human varieties everywhere faithfully reflect the conditions of their several environments.

From Man, Past and Present by Haddon, Alfred Court