Definition of supermassive in English:

supermassive

adjective

Astronomy
  • Having a mass many times (typically between 10⁶ and 10⁹ times) that of the sun.

    ‘a supermassive star’
    • ‘This discovery suggests that surveys of powerful supermassive black holes have so far underestimated their numbers by at least a factor of two, and possibly by up to a factor of five.’
    • ‘Two types of black holes are found in the universe: stellar-mass black holes and supermassive black holes.’
    • ‘An international team of astronomers have provided compelling evidence that we have a supermassive black hole at the centre of our galaxy.’
    • ‘But others, such as the Milky Way, would still have formed a supermassive black hole despite never being a quasar.’
    • ‘Although astronomers are surprised to find a blue disk of stars swirling around a supermassive black hole, they also say the puzzling architecture may not be that unusual.’

Pronunciation

supermassive

/suːpəˈmasɪv/