isothermal

or i·so·ther·mic

[ ahy-suh-thur-muh l ]

/ ˌaɪ səˈθɜr məl /

adjective

occurring at constant temperature.

pertaining to an isotherm.

noun

Meteorology. an isotherm.

Nearby words

isotach, isotactic, isoteniscope, isothere, isotherm, isothermal, isothermal process, isothermobath, isothiocyanate, isotimic, isotone

Origin of isothermal

1820–30; < French isotherme isothermal (< Greek iso- iso- + thérmē heat) + -al¹

Related forms

i·so·ther·mal·ly, adverb

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for isothermal

The other isothermal curves can be followed in a similar manner.
The Phase Rule and Its Applications|Alexander Findlay
Draw similar lines on the other isothermal charts, for the same stations.
Practical Exercises in Elementary Meteorology|Robert DeCourcy Ward
Together they press into higher latitudes the annual isothermal lines.
History of the Intellectual Development of Europe, Volume I (of 2)|John William Draper
Formulate a general rule governing temperature forecasts in cases of isothermal arrangement such as those here considered.
Practical Exercises in Elementary Meteorology|Robert DeCourcy Ward

This is just following the isothermal line, and proves that the peccary cannot endure the rigours of a severe winter climate.
The Hunters' Feast|Mayne Reid

British Dictionary definitions for isothermal

isothermal

/ (ˌaɪsəʊˈθɜːməl) /

adjective

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

of or relating to an isotherm

noun

another word for isotherm

Derived Forms

isothermally, adverb

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medicine definitions for isothermal

isothermal

[ ī′sə-thûr′məl ]

adj.

Of, relating to, or indicating equal or constant temperatures.

Science definitions for isothermal

isothermal

[ ī′sə-thûr′məl ]

Relating to or indicating equal or constant temperatures.

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

Relating to an isotherm.