1
: of, relating to, or marked by equality of temperature
2
: of, relating to, or marked by changes of volume or pressure under conditions of constant temperature

Examples of isothermal in a Sentence

Recent Examples on the Web
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For example, Figure 8 presents isothermal surface plots that show the effect that opening the AM machines’ build chambers has on air temperature, while Figure 9 shows how airflow is affected by opening the facility doors. IEEE Spectrum, 24 Jan. 2023 These isothermal surface plots show changes in temperature at 30 seconds (left) and 60 seconds (right) after opening the build chambers of every AM machine in the facility. IEEE Spectrum, 24 Jan. 2023

Word History

Etymology

French isotherme, from is- + -therme (from Greek thermos hot) — more at therm

First Known Use

1826, in the meaning defined at sense 1

Time Traveler
The first known use of isothermal was in 1826

Dictionary Entries Near isothermal

Cite this Entry

“Isothermal.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/isothermal. Accessed 20 Feb. 2025.

Medical Definition

isothermal

adjective
1
: of, relating to, or marked by equality of temperature
2
: of, relating to, or marked by changes of volume or pressure under conditions of constant temperature
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