Lagrange

American  

[luh-greynj, la-grahnzh] / ləˈgreɪndʒ, laˈgrɑ̃ʒ /

noun

1. Joseph Louis Comte, 1736–1813, French mathematician and astronomer.

---

Lagrange British  

/ ləˈɡreɪndʒɪən, laɡrɑ̃ʒ /

noun

1. Comte Joseph Louis (ʒozɛf lwi). 1736–1813, French mathematician and astronomer, noted particularly for his work on harmonics, mechanics, and the calculus of variations

---

Lagrange Scientific  

/ lə-grānj′,lə-gränj′ /

1. Italian-born French mathematician and astronomer who made important contributions to algebra and calculus. His work on celestial mechanics extended scientific understanding of planetary and lunar motion. In 1772 he discovered the points in space that are now named for him.

---

Other Word Forms

• Lagrangian
  adjective

Example Sentences

Over the following century and a half, scientists including Leonard Euler, Joseph-Louis Lagrange, and eventually Hamilton expanded Newton's work, developing more flexible mathematical descriptions of motion.

From Science Daily • Mar. 10, 2026

“It’s a thought-provoking analysis,” says Benjamin Wandelt of the Lagrange Institute in France, who also wasn’t involved in the study.

From Scientific American • Oct. 30, 2023

The cube-shaped spacecraft will orbit Earth for about 16 days before beginning its 110-day journey to its final destination — the L1 Lagrange point.

From DOGO News • Sep. 12, 2023

Those positions are called Lagrange Points, named after Italian-French mathematician Joseph-Louis Lagrange.

From Reuters • Sep. 2, 2023

In fact, through all mechanics it is this self-same principle of excluded perpetual motion which accomplishes almost all, which displeased Lagrange, but which he still had to employ, at least tacitly, in his own demonstration.

From Popular scientific lectures by Mach, Ernst