Astronomy Any of five points in the orbital plane of two bodies, one of which is much larger than the other, at which a third, even smaller body will remain in gravitational equilibrium. Bodies located at Lagrangian points appear stationary with respect to the larger two bodies. Also called Lagrange point.
Origin of Lagrangian pointAfter Comte Joseph Louis Lagrange.
(plural Lagrangian points)
- (astrophysics) Alternative form of Lagrange point.