Public Services and Procurement Canada
Symbol of the Government of Canada

Institutional Links

 

Important notice

The Canadian Style has been archived and won’t be updated before it is permanently deleted.

For the most up-to-date content, please consult Writing Tips Plus, which combines content from Writing Tips and The Canadian Style. And don’t forget to update your bookmarks!

Search Canada.ca

4.26 Scientific names with eponyms

In scientific terms composed of a common noun preceded by a proper noun, an adjective derived from a proper noun, or a proper noun with an apostrophe s, capitalize the adjective or proper noun but not the common noun. Do not capitalize the names of laws or theories or the names of minerals, particles or elements derived from personal names:

  • Hodgkin’s disease
  • Becquerel rays
  • Reiter’s syndrome
  • Gaussian curve
  • Bohr radius
  • Ohm’s law

but

  • the general theory of relativity
  • the second law of thermodynamics
  • forsterite
  • boson
  • germanium

Note that certain personal names begin with a small letter:

  • van’t Hoff equation
  • van Willebrand disease