isothermal

or i·so·ther·mic

[ ahy-suh-thur-muhl ]

/ ˌaɪ səˈθɜr məl /

Save This Word!

adjective

occurring at constant temperature.

pertaining to an isotherm.

noun

Meteorology. an isotherm.

QUIZ

WILL YOU SAIL OR STUMBLE ON THESE GRAMMAR QUESTIONS?

Smoothly step over to these common grammar mistakes that trip many people up. Good luck!

Question 1 of 7

Fill in the blank: I can’t figure out _____ gave me this gift.

who

whom

TAKE THE QUIZ TO FIND OUT

Origin of isothermal

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

OTHER WORDS FROM isothermal

i·so·ther·mal·ly, adverb

Words nearby isothermal

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

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use isothermal in a sentence

One school also used a test called loop-mediated isothermal amplification, or LAMP, which, like PCR, measures viral DNA to identify infections.
How 5 universities tried to handle COVID-19 on campus|Betsy Ladyzhets|February 23, 2021|Science News
The authors had assumed an isothermal atmosphere — — but I put the real atmosphere into the code.
The NASA Engineer Who’s a Mathematician at Heart|Susan D'Agostino|January 19, 2021|Quanta Magazine
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
For tubes of uniform section m is constant; for steady motion W is constant; and for isothermal expansion τ is constant.
Encyclopaedia Britannica, 11th Edition, Volume 14, Slice 1|Various

The isothermal lines of mean temperature do not supply a graduated measure of the effects of temperature on animal life.
Appletons' Popular Science Monthly, August 1899|Various
The same isothermal line, passes through Prussia and Poland, the finest grain countries of Europe.
Old Mackinaw|W. P. Strickland.
Its limits appear to conform more to isothermal lines, than to the rigid lines of geometry.
Gorillas & Chimpanzees|R. L. Garner

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 of isothermal

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

Scientific 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.