copernican

/K AH0 P ER1 N AH0 K AH0 N/
adjective
  1. 1

    Of or pertaining to Nicolaus Copernicus (1473-1543), the influential astronomer.

  2. 2

    Of or pertaining to one or more of his theories.

noun
  1. 1

    A supporter of the theories of Copernicus.

  2. 2

    The epoch in the lunar geologic timescale that occurred between 1.1 billion years ago to the present day.