Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary


noun ker·o·gen \ˈker-ə-jən, ˈke-rə-\

Definition of kerogen

  1. :  bituminous material occurring in shale and yielding oil when heated

Origin and Etymology of kerogen

Greek kēros wax + English -gen — more at cerumen

First Known Use: 1906

Learn More about kerogen

Seen and Heard

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