hairy cell leukemia a form of chronic leukemia marked by splenomegaly and by an abundance of abnormal large mononuclear cells covered by hairlike villi (hairy cells) in the bone marrow, spleen, liver, and peripheral blood.
A set of orbitals are said to be degenerate if they all have the same energy. This degeneracy can sometimes be lifted by external electric or magnetic fields.
Metallic hydrogen is a common form of degenerate matter. Degenerate matter is a bizarre form of exotic matter created in the cores of massive stars. There is a large amount of degenerate matter in Jupiter's core. View slideshow of images above