isothermal

American  

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

Or isothermic

adjective

1. occurring at constant temperature.

2. pertaining to an isotherm.

---

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

---

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.

---

Other Word Forms

Derived Forms

• isothermally
  adverb

Etymology

Origin of isothermal

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

Example Sentences

Isothermal, ī-so-thėr′mal, adj. having an equal degree of heat.—n.

From Chambers's Twentieth Century Dictionary (part 2 of 4: E-M) by Various

Humboldt on Isothermal Lines, Mémoires d'Arcueil, tom. iii. translated in the Edin.

From Principles of Geology or, The Modern Changes of the Earth and its Inhabitants Considered as Illustrative of Geology by Lyell, Charles, Sir