Copernican

adjective Co·per·ni·can \ kə-ˈpər-ni-kən , kō- \

Definition of Copernican

1 : of or relating to Copernicus or the belief that the earth rotates daily on its axis and the planets revolve in orbits around the sun
2 : of radical or major importance or degree
  • effected a Copernican revolution in philosophy
  • The Times Literary Supplement (London)

Copernican

noun

Copernicanism

play \kə-ˈpər-ni-kə-ˌni-zəm, kō-\ noun

Origin and Etymology of copernican

Nicolaus Copernicus


Seen and Heard

What made you want to look up Copernican? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

widely and unfavorably known

Get Word of the Day daily email!

Test Your Vocabulary

Words for Summer: A Quiz

  • a-closeup-of-a-sunflower
  • Which of the following words means “of or relating to summer”?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!