isotherm

play
noun iso·therm \ ˈī-sə-ˌthərm \

Definition of isotherm

1 :a line on a map or chart of the earth's surface connecting points having the same temperature at a given time or the same mean temperature for a given period
2 :a line on a chart representing changes of volume or pressure under conditions of constant temperature

Recent Examples of isotherm from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'isotherm.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of isotherm

French isotherme, adjective


Medical Dictionary

isotherm

play
noun iso·therm \ ˈī-sə-ˌthərm \

medical Definition of isotherm

:a line on a chart representing changes of volume or pressure under conditions of constant temperature

Learn More about isotherm


Seen and Heard

What made you want to look up isotherm? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

alert quickness of mind or body

Get Word of the Day daily email!

Test Your Vocabulary

Merriam-Webster's New Words Quiz—Fall 2017 Edition!

  • young-plant-shoots
  • Which of the following is a new sense of the word bunny?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!