Definition of infall in English:

infall

noun

mass nounAstronomy
  • The falling of small objects or other matter on to or into a larger body.

    ‘the infall of debris into a black hole’
    • ‘K-bentonite horizons, interpreted as altered volcanic infall, are interbedded with the limestones of the Precordillera.’
    • ‘The size of this infall is related directly to the amount of matter in the Universe.’
    • ‘If the infall of the ordinary matter were not stopped, there would be no visible galaxies, only black holes surrounded by dark matter.’
    • ‘The strong form states that we're constantly being bombarded with biochemical material from space, and that there's a correlation between Viral outbreaks and patterns of infall.’
    • ‘The stars are nuclear furnaces, where the perpetual gravitational infall is exactly balanced by the outflow of energy generated, literally, at the centre of gravity, the core of the star.’

Pronunciation

infall

/ˈɪnfɔːl/