Definition of "heliocentrism"
heliocentrism
noun
uncountable
(astronomy, history) The theory that the sun is the center of the universe.
Quotations
Geocentrism has been displaced by heliocentrism. Heliocentrism, in turn, the claim of the sun, surrounded by its satellites, to a sovereign place in the heavens, has become ridiculous in the face of the wilderness of suns that people the abysses beyond us.
1923, Felix Adler, "The Reconstruction of the Spiritual Ideal," American Ethical Union, 68.
(informal) The phenomenon of the Earth revolving around the Sun.
Quotations
You would think the practitioners of the dismal science of economics would look at their demand curves and the data on incomes and taxes and pronounce a verdict, the way Galileo and Copernicus did when they showed that geocentrism was a fantasy because the Earth revolves around the sun (known as heliocentrism).
2012, David Cay Johnston, chapter 16, in Dean Starkman, Felix Salmon, Martha M. Hamilton, Ryan Chittum, editors, The Best Business Writing 2012, New York: Columbia University Press, page 191
Heliocentrism is not yet universally known or accepted. In a 1999 poll, 18 of Americans said that the sun revolves around the Earth, while 79 percent said Earth revolves around the sun.
2014, Rebecca Stefoff, chapter 4, in Andrew Coddington, Cynthia Roby, Peter Mavrikis, editors, The Sun and the Earth, 1st edition, New York: Cavendish Square Publishing, LLC, page 34