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
Learn More About Lagrangian
Statistics for Lagrangian
Look-up Popularity
Cite this Entry
“Lagrangian.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Lagrangian. Accessed 25 Jun. 2022.
Style: MLA
MLA
Chicago
APA
Merriam-Webster
Chicago
APA
Merriam-Webster
Test Your Vocabulary
Words Named After People
-
- Namesake of the leotard, Jules Léotard had what profession?
Test your knowledge - and maybe learn something along the way.
TAKE THE QUIZ
A daily challenge for crossword fanatics.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridged
Words at Play
Ask the Editors
Word Games
-
Commonly Confused Words Quiz
Take a (break/brake) and (pore/pour) over this (c...
Take the quiz
-
Words Named After People
Find out who’s behind "leotard," "morphine," an...
Take the quiz
-
True or False?
Test your knowledge - and maybe learn something a...
Take the quiz
-
Spelling Bee Quiz
Can you outdo past winners of the National Spelli...
Take the quiz
Share Lagrangian
Time Traveler for Lagrangian
The first known use of Lagrangian was in 1929
See more words from the same year