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

We ordinarily say that ΔU = 0 for an isothermal process.

From Textbooks • Aug. 12, 2015

Recall that both isothermal and adiabatic processes are, in principle, reversible.

From Textbooks • Aug. 12, 2015

Within this border-curve, as in the heterogeneous region, the theoretical part of every isothermal must be replaced by a straight line.

From Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 7 "Columbus" to "Condottiere" by Various