The paradigm shift, from the Ptolemaic model of the heavens based around the Earth to a heliocentric model, proposed by Nicolaus Copernicus and later supported by Galileo and others.

(astronomy) A heliocentric model of the solar system, proposed in the 16th century by the eponymous astronomer.

plural of copeman

(obsolete) A chapman; a dealer; a merchant.

plural of copepodite

The larval stage of a copepod

Any of the five stages (of twelve total) in the life-cycle of a copepod prior to the sexually mature adult

(biochemistry) The C-terminal part of the arginine vasopressin precursor peptide that is a prognostic marker in patients with some acute diseases

Obsolete spelling of copperas

plural of Copenhagen