degenerate matter
collection of free, non-interacting particles with a pressure and other physical characteristics determined by quantum mechanical effects
en-US/ˈd͡ʒɛnɛɹət ˈmætɚ/
en-GB/dɪˈd͡ʒɛnəɹət ˈmætə/
collection of free, non-interacting particles with a pressure and other physical characteristics determined by quantum mechanical effects