plural of Klein bottle

(mathematics) The closed manifold obtained by identifying the boundary components of the annulus so that the resultant surface is nonorientable.

plural of Kaluza-Klein theory

(physics) A model (not believed to be literally true) developed by physicists Theodor Kaluza and Oskar Klein that attempted to combine gravity and electromagnetism by adding a fifth dimension to our four-dimensional spacetime.

A neurological disorder characterized by recurring periods of excessive sleeping and eating.

(art) An intense deep blue hue achieved by means of ultramarine pigment and a binder.

mandibulofacial dysostosis: a syndrome that causes various physical deformities

plural of Kleinsmith

A surname from German.

plural of Kleinsasser