La·grang·ian
| \ lə-ˈgrän-jē-ən
, -ˈgräⁿ-zhē-
\
, -ˈgräⁿ-zhē-
\
Definition of Lagrangian
: a function that describes the state of a dynamic system in terms of position coordinates and their time derivatives and that is equal to the difference between the potential energy and kinetic energy — compare hamiltonian
Keep scrolling for more
Learn More about Lagrangian
Dictionary Entries near Lagrangian
See More Nearby EntriesStatistics for Lagrangian
Look-up Popularity
Cite this Entry
“Lagrangian.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Lagrangian. Accessed 6 Mar. 2021.
Style: MLA
MLA
Chicago
APA
Merriam-Webster
Chicago
APA
Merriam-Webster
Comments on Lagrangian
What made you want to look up Lagrangian? Please tell us where you read or heard it (including the quote, if possible).
Test Your Vocabulary
Who Knew?
-
- What is a ruelle?
Test your knowledge - and maybe learn something along the way.
TAKE THE QUIZ
Spell words. Make bears.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridged
Words at Play
Ask the Editors
Share Lagrangian
Time Traveler for Lagrangian
The first known use of Lagrangian was in 1929
See more words from the same year