adiabatic

adjective adi·a·bat·ic \ ˌa-dē-ə-ˈba-tik , ˌā-ˌdī-ə- \

Definition of adiabatic

: occurring without loss or gain of heat
  • adiabatic expansion of a gas

adiabatically

play \-ti-k(ə-)lē\ adverb

Recent Examples of adiabatic from the Web

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

Origin and Etymology of adiabatic

Greek adiábatos "impassable" (from a- 2a- + diabatós "to be crossed, fordable," verbal adjective of diabaínein "to step across, pass over," from dia- dia- + baínein "to walk, step") + 1-ic — more at 1come


Learn More about adiabatic


Seen and Heard

What made you want to look up adiabatic? 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

meaningless speech or writing

Get Word of the Day daily email!

Test Your Vocabulary

Name More Food!

True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
Word Winder's CrossWinder

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!