A type of lightweight, four-wheeled carriage in which the front and back passenger seats face each other. / (by extension) A style of automobile based around the design of landau carriages.

A surname.

plural of landau

plural of Landau level

(physics) Any of the discrete energy values that represent the only cyclotron orbits that a charged particle can occupy in a magnetic field, as a result of Landau quantization.

(number theory) The constant of proportionality (approximately 0.7642) in the relationship between the number of positive integers less than x that are the sum of two square numbers, for large x, and the expression x/√.

(medicine, neurology) A rare childhood neurological syndrome, characterized by the sudden or gradual development of aphasia and an abnormal electroencephalogram.

(physics) A stress–energy–momentum pseudotensor for combined matter (including photons and neutrinos) plus gravity, allowing the energy–momentum conservation laws to be extended into general relativity.

A small landau. / A motor car with an open driver’s seat and an enclosed rear section with one cross-seat and a collapsible roof; sometimes used for weddings.

A small landau.