Definition of mini-hole in English:

mini-hole

noun

  • 1Astronomy= mini-black hole.

  • 2Meteorology. A highly localized region of temporary ozone depletion in the upper atmosphere.

Origin

1970s; earliest use found in Scientific American. From mini- + hole, after black hole.

Pronunciation

mini-hole

/ˈmɪnɪhəʊl/