"degenerate" - key terms from Wikipedia

degenerate
degenerate	art
degenerate	books
degenerate	conic
degenerate	distribution
degenerate	gases
degenerate	hyperbola
degenerate	matter
degenerate	neutron gas
degenerate	particles
degenerate	primers
degenerate	tree
fourfold degenerate
twofold degenerate	site