adiabat

noun

adi·​a·​bat
ˈa-dē-ə-ˌbat
variants or less commonly adiabatic
ˌa-dē-ə-ˈba-tik How to pronounce adiabat (audio)
ˌā-ˌdī-ə-
plural -s
: a curve or line plotted using coordinates selected to represent the pressure and volume or the temperature and entropy of matter during an adiabatic process

Word History

Etymology

adiabat, back-formation from adiabatic, adjective; adiabatic, from adiabatic, adjective

First Known Use

1872, in the meaning defined above

Time Traveler
The first known use of adiabat was in 1872

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Dictionary Entries Near adiabat

Cite this Entry

“Adiabat.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/adiabat. Accessed 26 Nov. 2024.

Love words? Need even more definitions?

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